docs: Update index page

docs/docs/index.md

@@ -1,53 +1,61 @@
 # Welcome to WTRTI
 
-A highly customizable HUD overlay and logging tool for War Thunder.  
+**A highly customizable HUD overlay and logging tool for War Thunder.**  
 
 ![#](images/wtrti_themes.png)
-
+![#](images/wtrti_osd.png)
 
 [Download](https://github.com/MeSoftHorny/WTRTI/releases/latest/){ .md-button .md-button--primary }
-[WIP Versions](https://patreon.com/wtrti){ .md-button .md-button--primary }
+[PRO Version](https://patreon.com/wtrti){ .md-button .md-button--primary }
 
 ## Features
+- **Cross-platform**: Windows, Linux and macOS.
 - More than 30 types of indicators (Climb, AoA, Turning time, Turning radius, Fuel consumption, WEP remain, Booster remain, etc.).  
-!!! info
-    Ammo related information is not available (or very limited) in the web-map, so it cannot be added to the app.
+>  **Note:** **Weapon** or **Ammo** information **is not** available (or very limited) in the web-map, so it cannot be added to the app.  
 - Two types of OSD (On-screen display):  
-    - **WTRTI** - Built-in OSD. Borderless window with transparency, that requires "Fullscreen Window" mode to be enabled. See [OSD Setup](features.md#wtrti-built-in).  
-    - **RTSS** - using "RivaTuner Statistics Server" OSD functionality. Works with any window mode.  
-- VR support (**SteamVR only**).
+    - **WTRTI** - Built-in OSD. See [OSD Setup](features.md#wtrti-built-in).  
+    - **RTSS** - using "RivaTuner Statistics Server" OSD functionality.  
+- **VR support** (SteamVR only).
 - **Custom indicators**, allows you to make a new indicators with a specific reading properties from localhost:8111.
+- **Graphical indicators**.
 - **Lua** scripts, for custom processing of indicator values.
-- Custom "Alert" conditions for indicators, with Sound playback.
+- **Plot** window that provides real-time visualization of telemetry data on a graph.
+- **Logging** the flight data to **CSV file**.
+- Custom "Alert" conditions for indicators, with a sound playback.
+- **Vehicle Information** window, provides additional information (Speed Limits, Critical Overload, Critical AoA, etc).
 - Per-vehicle profile, with automatic loading at the beginning of a battle.
 - Hotkey actions (e.g. Profile loading).
-- Logging the flight data to CSV file.
-- "Game chat" window, with ability translate in-game chat messages by opening Google Translate web-page or 'in-app' translate ([Lingva.ml](https://lingva.ml)).
-- "Battle Log" window, a keyword highlight of the battle events.
+- **Game chat** window, with ability translate in-game chat messages by opening Google Translate web-page or 'in-app' translate ([Lingva.ml](https://lingva.ml)).
+- **Battle log** window, with a keyword highlight of the battle events.
 - Experimental **DCS World** support, see [DCS World Setup](features.md#dcs-world-setup).
 
 ## How it works
 This is **not** a mod.  
-WTRTI **does not** make any changes to the game process or its data, it 'only' processes data from **localhost:8111**(web-map) and displays it on a screen (Overlay).
+WTRTI does **not** make any changes to the game process or its data, it 'only' takes data from **localhost:8111**(web-map) and displays it on a screen (Overlay).
 
 ## Installation
 1. Download [**the latest version**](https://github.com/MeSoftHorny/WTRTI/releases/latest).
-2. Extract it to a seperate folder with **write permissions**.
->**Note**: Make sure it is not in the game root directory, otherwise the game launcher will delete WTRTI.exe file in there.
-3. Run WTRTI.exe.
-4. Add some indicators (**+** button) to the list.
-5. [Setup the game for OSD](features.md#wtrti-built-in)
+2. Extract it to a separate folder with **write permissions**.   
+   Since the program works in portable mode, all files (logs, profiles, etc.) that the program dumps or uses, will be located in the same folder as the executable file.
+> **Note**: Make sure it is not in the game root directory, otherwise the game launcher will delete the WTRTI executable.
+3. Start WTRTI.
+4. Add some indicators to the list (**+** button).
+5. Start the game and switch to the "Fullscreen Window" mode in the Graphics settings.
+6. Go to "Test Flight".
 
 ### Upgrade from previous versions
 Simply extract the downloaded zip file into the folder where the old version is located.
 
 ## System requirements
 - **Game**: Full client+  
 > **Note:** **DEV Server** or **Minimal client** users, see [Troubleshooting](troubleshooting.md#not-working-with-dev-server) for a workaround.
-- **OS**: **Windows** 7 or higher.  
-**Linux**: Ubuntu 20.04 and later. X11.  
-*Borderless window mode requires Compositor (eg. kwin, compiz).*  
-*Since v2.2.5, you can use __Gamescope (v3.11.0+)__, See [How-To](features.md/#gamescope-setup-linux).*  
-- **Graphics**: Buit-in OSD: Any OpenGL 3.3 compatible GPU or greater.  
-*RTSS OSD: Rivatuner Statistics Server v7.3+. [Download](https://www.guru3d.com/files-details/rtss-rivatuner-statistics-server-download.html)*
+- **OS**:  
+  **Windows**: 7 or higher.  
+  **Linux**: Ubuntu 20.04 and later. X11 only.  
+      *The Overlay requires Compositor (eg. kwin, compiz).*  
+      *Since v2.2.5, you can use __Gamescope (v3.11.0+)__, See [How-To](features.md/#gamescope-setup-linux).*  
+  **macOS**: 11.0 and later.
+- **Graphics**:  
+  Buit-in OSD: Any OpenGL 3.3 compatible GPU.  
+  *RTSS OSD: Rivatuner Statistics Server v7.3+. [Download](https://www.guru3d.com/files-details/rtss-rivatuner-statistics-server-download.html)*
 - **VR**: SteamVR. See [VR](features.md/#vr) for more info.