Remove global origin option and update README

- Remove origin option from RondevuClientOptions and RondevuOptions
- Remove ConnectOptions interface with global flag
- Remove all customHeaders logic for origin override
- Update README with consistent Rondevu branding

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -1,12 +1,14 @@
 # Rondevu
 
-🎯 Meet WebRTC peers by topic, by peer ID, or by connection ID.
+🎯 **Simple WebRTC peer signaling and discovery**
+
+Meet peers by topic, by peer ID, or by connection ID.
+
+---
 
 ## Rondevu Server
 
-A simple TypeScript HTTP server for WebRTC peer signaling and discovery.
-
-**Three ways to connect:** by topic, by peer ID, or by connection ID.
+HTTP signaling server for WebRTC peer discovery and connection establishment. Supports SQLite (Node.js/Docker) and Cloudflare D1 (Workers) storage backends.
 
 ### Quick Start
 
@@ -17,7 +19,7 @@ npm install && npm start
 
 **Docker:**
 ```bash
-docker build -t rondevu . && docker run -p 3000:3000 rondevu
+docker build -t rondevu . && docker run -p 3000:3000 -e STORAGE_PATH=:memory: rondevu
 ```
 
 **Cloudflare Workers:**
@@ -25,8 +27,6 @@ docker build -t rondevu . && docker run -p 3000:3000 rondevu
 npx wrangler deploy
 ```
 
-See [DEPLOYMENT.md](./DEPLOYMENT.md) for details.
-
 ### API
 
 ```bash
@@ -47,15 +47,14 @@ See [API.md](./API.md) for details.
 
 ### Configuration
 
-```env
-PORT=3000
-SESSION_TIMEOUT=300000
-CORS_ORIGINS=*
-```
+Environment variables:
 
-### Storage
-
-Supports SQLite (Node.js/Docker) or D1 (Cloudflare Workers).
+| Variable | Default | Description |
+|----------|---------|-------------|
+| `PORT` | `3000` | Server port (Node.js/Docker) |
+| `SESSION_TIMEOUT` | `300000` | Session timeout in milliseconds |
+| `CORS_ORIGINS` | `*` | Comma-separated allowed origins |
+| `STORAGE_PATH` | `./sessions.db` | SQLite database path (use `:memory:` for in-memory) |
 
 ### License