Let's write the README content to a .txt file.

readme_content = """
💸 Dough Tracker App (React Native + Node.js + SQLite)

A mobile app built using React Native (Expo) and a backend using Node.js with SQLite. This app allows users to:

• ➕ Add money
• 💸 Log expenses with a name
• 🕓 View purchase history
• 🧑‍💼 Update username
• ♻️ Reset progress

⚠️ The app is not fully finished but has enough functionality to try it out and explore.

📦 Tech Stack

• Frontend: React Native (Expo), Tailwind CSS
• Backend: Node.js, Express.js, SQLite

🚀 Getting Started

1️⃣ Clone the Repository

git clone https://github.com/YOUR_USERNAME/YOUR_REPO_NAME.git
cd project

2️⃣ Backend Setup

Open a new terminal inside the project folder:

cd project
npm install
node server.js

✅ You should see:

🚀 Server running on port 5000
✅ Connected to SQLite database

3️⃣ Frontend (React Native) Setup

Open another new terminal:

npm install
npx expo start -c

This will launch the Expo Dev Tools in your browser. From there you can run the app on:

• Android Emulator
• iOS Simulator (Mac only)
• Physical device (Scan QR using Expo Go)

🌐 Setting Your IP Address

To make the app work on your physical device:

1. Open Command Prompt (Windows) and type:

   ipconfig
   

   Find your IPv4 address under your active WiFi or Ethernet adapter (e.g., 192.168.1.12).

2. Replace all IP address strings in the frontend code with your IPv4 address.

📱 Other Ways to Find Your IP (per OS):

• Windows: ipconfig
• Mac/Linux: ifconfig or ip a
• Mobile (Android/iOS): Check your WiFi settings for device IP.

📋 Example Use:

• Add $100 using /user/:id/receive
• Spend $20 on “Groceries” using /user/:id/transaction
• View your transaction history using /user/:id/transactions