Added README

Author: TutorialsAndroid

README.md

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+# 🌍 Global Chat Server
+
+A lightweight real-time chat backend built with **FastAPI** and **WebSockets**.
+
+This repository contains the **server implementation** for Global Chat.  
+The desktop client is distributed separately via GitHub Releases.
+
+---
+
+# 📥 Download Desktop Application
+
+You can download the Windows desktop chat client here:
+
+## ⬇ Download Installer
+
+[![Download](https://img.shields.io/badge/Download-Global%20Chat%20Installer-blue?style=for-the-badge)](https://github.com/TutorialsAndroid/global-chat/releases/download/v1.0.0/GlobalChatInstaller.exe)
+
+Download the latest version and run the installer to start chatting.
+
+---
+
+# ✨ Features
+
+- 🌍 Real-time global chat
+- ⚡ WebSocket communication
+- 💬 Multi-user messaging
+- 🔗 Clickable links in chat
+- 📋 Selectable and copyable messages
+- 🪟 Minimal floating chat window
+- 📌 Always-on-top interface
+- ⚙ Settings menu with startup option
+- 📜 Chat history loading
+
+---
+
+# 🏗 Server Technology
+
+The backend server uses:
+
+- **FastAPI**
+- **WebSockets**
+- **Uvicorn**
+
+It broadcasts messages to all connected clients in real time.
+
+---
+
+# 🚀 Deployment
+
+This server is designed to be deployed on platforms such as:
+
+- Railway
+- Render
+- Fly.io
+- VPS servers
+
+Example Railway deployment command:
+
+```
+uvicorn server:app --host 0.0.0.0 --port 8000
+```
+---
+# 🔌 WebSocket Endpoint
+```
+/chat
+
+```
+Example connection URL: 
+wss://your-server-url/chat
+```
+---
+
+# 📦 Installation (Server)
+
+Install dependencies:
+
+```
+pip install -r requirements.txt
+
+```
+Run the server: python server.py
+```
+
+---
+
+# ⚠ Notes
+
+- Message history may reset after server redeploy if SQLite is used.
+- Production deployments should use PostgreSQL or Redis.
+
+---
+
+# 📜 License
+
+MIT License