Initial commit: OpenAI compatible API proxy with auto token refresh

- Implemented OpenAI compatible API proxy server
- Support for Anthropic and custom OpenAI format conversion
- Automatic API key refresh with WorkOS OAuth
- SSE streaming response transformation
- Smart header management for Factory endpoints
- Chinese documentation

start.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo "Starting droid2api server..."
+node server.js