Update README.md

Author: syntaxerror247

README.md

@@ -1,2 +1,59 @@
 # GodotFirebaseAndroid
-Godot Android plugin for Firebase
+
+Firebase plugin for Android export in Godot Engine.
+
+## Features
+
+- [x] Firebase Authentication (Email/Password, Google Sign-In)
+- [x] Cloud Firestore
+- [x] Realtime Database
+- [x] Cloud Storage
+- [ ] Cloud Messaging (coming soon)
+
+---
+
+## Quick Start
+
+**Step 1: Install the Plugin**
+
+- Download the latest release from the [Releases](https://github.com/your-repo/releases) page.
+
+- Unzip and copy the plugin to your project’s `addons` folder:
+
+  ```
+  your_project/addons/GodotFirebaseAndroid/
+  ```
+
+- In Godot, go to **Project > Project Settings > Plugins**, and enable **GodotFirebaseAndroid**.
+
+---
+
+**Step 2: Add Firebase to Your Project**
+
+- Open [Firebase Console](https://console.firebase.google.com)
+- Create a Firebase project and register your Android app.
+- Enable the required services (e.g., Authentication, Firestore).
+- Download the `google-services.json` file.
+- Place it in:
+
+  ```
+  android/build/google-services.json
+  ```
+
+---
+
+**Step 3: Enable Gradle Build for Android Export**
+
+- In Godot:
+  **Project > Export > Android > gradle/use_gradle_build**: ✅
+
+---
+
+## Build Notes
+
+This plugin automatically modifies `build.gradle` and `settings.gradle` at export time to include the necessary Firebase dependencies.
+
+Make sure:
+
+- Gradle build is enabled before exporting.
+- `google-services.json` exists in `android/build/` before export.