Rename methods to match WebRTC terminology

- Rename create() → offer() to align with WebRTC offer creation
- Rename connect() → answer() to align with WebRTC answer handling
- Update README with new method names and examples
- Version 0.3.3

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

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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xtr-dev/rondevu-client",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "TypeScript client for Rondevu peer signaling and discovery server",
   "type": "module",
   "main": "dist/index.js",