Add documentation for 4 new apps: Crypto, Stocks, Weather, and WiFi

src/content/apps/crypto.mdx

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+---
+title: "Crypto Tracker"
+description: "Real-time cryptocurrency price tracker. Displays Bitcoin, Ethereum, Dogecoin, and Ripple prices with live updates."
+icon: "/images/apps/crypto.png"
+category: "utility"
+preloaded: false
+customizable: true
+fileLocation: "/apps/crypto"
+---
+
+# Crypto Tracker
+
+Track real-time cryptocurrency prices directly on your Badger 2350. Displays live prices for Bitcoin (BTC), Ethereum (ETH), Dogecoin (DOGE), and Ripple (XRP) with price changes and percentage movements.
+
+## Features
+
+- **Live Price Updates**: Real-time cryptocurrency prices from Yahoo Finance API
+- **Four Major Cryptos**: Bitcoin, Ethereum, Dogecoin, and Ripple tracking
+- **Price Change Indicators**: Green for gains, red for losses with percentage changes
+- **Auto-Refresh**: Automatically updates prices every 60 seconds
+- **Manual Refresh**: Press B button to refresh prices on demand
+- **WiFi Integration**: Connects to WiFi using credentials from `/secrets.py`
+- **Clean UI**: GitHub-themed dark interface with color-coded price movements
+
+## Tracked Cryptocurrencies
+
+- **Bitcoin (BTC-USD)**: The original cryptocurrency
+- **Ethereum (ETH-USD)**: Smart contract platform
+- **Dogecoin (DOGE-USD)**: The people's crypto
+- **Ripple (XRP-USD)**: Digital payment protocol
+
+## Controls
+
+- **B Button**: Manually refresh cryptocurrency prices
+- Auto-refresh occurs every 60 seconds when connected
+
+## Install
+
+1. Copy the `crypto/` folder to `/apps/crypto/` on the BADGER drive while in USB storage mode
+2. Ensure `/secrets.py` is configured with WiFi credentials (see Configuration below)
+3. Eject, reboot, and launch Crypto Tracker from the menu
+
+## File Layout
+
+```
+/apps/crypto/
+  ├── __init__.py   # Main app with API integration and price display
+  └── icon.png      # App icon for the launcher
+```
+
+## Configuration
+
+Create or edit `/secrets.py` on your badge:
+
+```python
+# WiFi credentials
+WIFI_SSID = "YourNetworkName"
+WIFI_PASSWORD = "YourPassword"
+
+# Your GitHub username (optional for this app)
+GITHUB_USERNAME = "yourusername"
+```
+
+**Required Variables:**
+- `WIFI_SSID`: Your WiFi network name
+- `WIFI_PASSWORD`: Your WiFi password
+
+## How It Works
+
+1. **WiFi Connection**: Connects to WiFi using credentials from `/secrets.py`
+2. **Price Fetching**: Queries Yahoo Finance API for each cryptocurrency
+3. **Real-time Display**: Shows current price, daily change, and percentage movement
+4. **Auto-refresh**: Updates every 60 seconds automatically
+5. **Color Coding**: Green text for positive changes, red for negative, gray for no change
+
+## Technical Details
+
+- Uses Yahoo Finance public API (no API key required)
+- Implements efficient memory management with garbage collection
+- 60-second WiFi connection timeout
+- Handles network errors gracefully with error messages
+- Price formatting adapts based on crypto value (more decimals for sub-$1 coins)
+
+## Troubleshooting
+
+**"No WiFi Config" message:**
+- Edit `/secrets.py` with your WiFi credentials
+- Ensure WIFI_SSID and WIFI_PASSWORD are set correctly
+
+**"Connection Failed" message:**
+- Verify WiFi credentials are correct
+- Check that your network is 2.4GHz (Badger 2350 doesn't support 5GHz)
+- Move closer to your WiFi router
+
+**Prices showing as $0.00:**
+- Check internet connection
+- API may be temporarily unavailable - wait and refresh
+- Press B button to manually retry fetching
+
+## Source
+
+GitHub repository: [Add your repository URL here]

src/content/apps/stocks.mdx

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+---
+title: "Stock Tracker"
+description: "Real-time stock market tracker. Monitor S&P 500, Microsoft, Figma, and Apple stock prices with live market data."
+icon: "/images/apps/stocks.png"
+category: "utility"
+preloaded: false
+customizable: true
+fileLocation: "/apps/stocks"
+---
+
+# Stock Tracker
+
+Monitor real-time stock market prices on your Badger 2350. Track S&P 500 (VOO), Microsoft (MSFT), Figma (FIG), and Apple (AAPL) with live price updates and percentage changes.
+
+## Features
+
+- **Live Stock Prices**: Real-time market data from Yahoo Finance API
+- **Major Tech Stocks**: Track MSFT, AAPL, and FIG alongside S&P 500 index
+- **Price Movement**: Color-coded gains (green) and losses (red) with percentages
+- **Auto-Refresh**: Automatically updates prices every 60 seconds
+- **Manual Refresh**: Press B button to refresh prices on demand
+- **WiFi Integration**: Connects using credentials from `/secrets.py`
+- **Market-Ready UI**: Clean GitHub-themed interface with professional stock display
+
+## Tracked Stocks
+
+- **VOO**: Vanguard S&P 500 ETF (Market Index)
+- **MSFT**: Microsoft Corporation
+- **FIG**: Figma Inc.
+- **AAPL**: Apple Inc.
+
+## Controls
+
+- **B Button**: Manually refresh stock prices
+- Auto-refresh occurs every 60 seconds when connected
+
+## Install
+
+1. Copy the `stocks/` folder to `/apps/stocks/` on the BADGER drive while in USB storage mode
+2. Ensure `/secrets.py` is configured with WiFi credentials (see Configuration below)
+3. Eject, reboot, and launch Stock Tracker from the menu
+
+## File Layout
+
+```
+/apps/stocks/
+  ├── __init__.py   # Main app with market data integration
+  └── icon.png      # App icon for the launcher
+```
+
+## Configuration
+
+Create or edit `/secrets.py` on your badge:
+
+```python
+# WiFi credentials
+WIFI_SSID = "YourNetworkName"
+WIFI_PASSWORD = "YourPassword"
+
+# Your GitHub username (optional for this app)
+GITHUB_USERNAME = "yourusername"
+```
+
+**Required Variables:**
+- `WIFI_SSID`: Your WiFi network name
+- `WIFI_PASSWORD`: Your WiFi password
+
+## How It Works
+
+1. **WiFi Connection**: Connects to WiFi using credentials from `/secrets.py`
+2. **Market Data Fetching**: Queries Yahoo Finance API for each stock symbol
+3. **Real-time Display**: Shows current price, daily change, and percentage movement
+4. **Auto-refresh**: Updates every 60 seconds during market hours
+5. **Color Coding**: Green for gains, red for losses, gray for unchanged
+
+## Technical Details
+
+- Uses Yahoo Finance public API (no API key required)
+- Efficient memory management with garbage collection
+- 60-second WiFi connection timeout
+- Graceful error handling with clear status messages
+- Price formatting with appropriate decimal places
+- Displays after-hours prices when markets are closed
+
+## Market Hours Note
+
+Stock prices update in real-time during market hours (9:30 AM - 4:00 PM ET, Monday-Friday). Outside market hours, the app displays the most recent closing prices.
+
+## Troubleshooting
+
+**"No WiFi Config" message:**
+- Edit `/secrets.py` with your WiFi credentials
+- Ensure WIFI_SSID and WIFI_PASSWORD are set correctly
+
+**"Connection Failed" message:**
+- Verify WiFi credentials are correct
+- Check that your network is 2.4GHz (Badger 2350 doesn't support 5GHz)
+- Move closer to your WiFi router
+
+**Prices showing as $0.00:**
+- Check internet connection
+- Stock symbol may be invalid or delisted
+- API may be temporarily unavailable - press B to retry
+
+**Prices not updating:**
+- Markets may be closed (weekends, holidays, after-hours)
+- Press B button to manually refresh
+- Check WiFi connection status
+
+## Customization
+
+Edit the `STOCKS` list in `__init__.py` to track different stocks:
+
+```python
+STOCKS = [
+    ("GOOGL", "Google"),
+    ("TSLA", "Tesla"),
+    ("NVDA", "NVIDIA"),
+    ("META", "Meta")
+]
+```
+
+## Source
+
+GitHub repository: [Add your repository URL here]

src/content/apps/weather.mdx

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+---
+title: "Weather"
+description: "Real-time weather information with auto-location detection. Displays temperature, humidity, wind speed, and current conditions."
+icon: "/images/apps/weather.png"
+category: "utility"
+preloaded: false
+customizable: true
+fileLocation: "/apps/weather"
+---
+
+# Weather
+
+Get real-time weather information on your Badger 2350. Automatically detects your location and displays current temperature, humidity, wind speed, and weather conditions.
+
+## Features
+
+- **Auto-Location Detection**: Automatically detects your location from IP address
+- **Current Weather**: Real-time temperature, humidity, and wind speed
+- **Weather Conditions**: Clear descriptions of current weather (Clear, Cloudy, Rain, etc.)
+- **No API Key Required**: Uses free Open-Meteo weather API
+- **Auto-Refresh**: Updates weather data every 60 seconds
+- **Manual Refresh**: Press B button to refresh weather on demand
+- **WiFi Integration**: Connects using credentials from `/secrets.py`
+- **Clean Display**: GitHub-themed interface with color-coded weather info
+
+## Weather Data
+
+- **Temperature**: Displayed in Fahrenheit
+- **Humidity**: Relative humidity percentage
+- **Wind Speed**: Current wind speed in mph
+- **Conditions**: Weather description (Clear, Cloudy, Rain, Snow, etc.)
+- **Location**: Auto-detected city name
+
+## Controls
+
+- **B Button**: Manually refresh weather data
+- Auto-refresh occurs every 60 seconds when connected
+
+## Install
+
+1. Copy the `weather/` folder to `/apps/weather/` on the BADGER drive while in USB storage mode
+2. Ensure `/secrets.py` is configured with WiFi credentials (see Configuration below)
+3. Eject, reboot, and launch Weather from the menu
+
+## File Layout
+
+```
+/apps/weather/
+  ├── __init__.py   # Main app with weather API and location detection
+  └── icon.png      # App icon for the launcher
+```
+
+## Configuration
+
+Create or edit `/secrets.py` on your badge:
+
+```python
+# WiFi credentials
+WIFI_SSID = "YourNetworkName"
+WIFI_PASSWORD = "YourPassword"
+
+# Your GitHub username (optional for this app)
+GITHUB_USERNAME = "yourusername"
+```
+
+**Required Variables:**
+- `WIFI_SSID`: Your WiFi network name
+- `WIFI_PASSWORD`: Your WiFi password
+
+## How It Works
+
+1. **WiFi Connection**: Connects to WiFi using credentials from `/secrets.py`
+2. **Location Detection**: Automatically detects location from IP using ipapi.co
+3. **Weather Fetching**: Queries Open-Meteo API with detected coordinates
+4. **Real-time Display**: Shows temperature, humidity, wind, and conditions
+5. **Auto-refresh**: Updates every 60 seconds automatically
+6. **Fallback Location**: Defaults to San Francisco if detection fails
+
+## Technical Details
+
+- Uses Open-Meteo free weather API (no API key required)
+- Location detection via ipapi.co (free IP geolocation)
+- WMO (World Meteorological Organization) weather codes
+- Temperature in Fahrenheit, wind speed in mph
+- Efficient memory management with garbage collection
+- 60-second WiFi connection timeout
+- Graceful error handling with status messages
+
+## Weather Conditions
+
+The app interprets WMO weather codes to display clear conditions:
+- **Clear**: Clear skies
+- **Partly Cloudy**: Some cloud cover
+- **Cloudy**: Overcast
+- **Fog**: Foggy conditions
+- **Drizzle/Rain**: Light or heavy rain
+- **Snow**: Snow or freezing conditions
+- **Thunderstorm**: Stormy weather
+
+## Location Detection
+
+The app automatically detects your location using your IP address. This means:
+- ✅ No manual configuration needed
+- ✅ Works anywhere with WiFi
+- ✅ Updates if you travel to a new location
+- ⚠️ May be less accurate than GPS (usually city-level accuracy)
+- ⚠️ Falls back to San Francisco if detection fails
+
+## Troubleshooting
+
+**"No Configuration" message:**
+- Edit `/secrets.py` with your WiFi credentials
+- Ensure WIFI_SSID and WIFI_PASSWORD are set correctly
+
+**"Location detection failed":**
+- App will default to San Francisco weather
+- Check internet connection
+- Press B button to retry
+
+**Weather data not displaying:**
+- Check WiFi connection
+- Verify internet connectivity
+- API may be temporarily unavailable - wait and refresh
+
+**Wrong location detected:**
+- Location is based on IP address (VPN may affect this)
+- You can manually edit the code to set LATITUDE/LONGITUDE
+
+## Customization
+
+To use a specific location instead of auto-detection, edit `__init__.py`:
+
+```python
+# Set your desired location
+LATITUDE = 40.7128   # New York City
+LONGITUDE = -74.0060
+LOCATION_NAME = "New York"
+location_detected = True  # Skip auto-detection
+```
+
+## Source
+
+GitHub repository: [Add your repository URL here]