Initial commit: Rondevu signaling server

Open signaling and tracking server for peer discovery in distributed P2P applications.

Features:
- REST API for WebRTC peer discovery and signaling
- Origin-based session isolation
- Multiple storage backends (SQLite, in-memory, Cloudflare KV)
- Docker and Cloudflare Workers deployment support
- Automatic session cleanup and expiration

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

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

build.js

@@ -0,0 +1,17 @@
+// Build script using esbuild
+const esbuild = require('esbuild');
+
+esbuild.build({
+  entryPoints: ['src/index.ts'],
+  bundle: true,
+  platform: 'node',
+  target: 'node20',
+  outfile: 'dist/index.js',
+  format: 'cjs',
+  external: [
+    'better-sqlite3',
+    '@hono/node-server',
+    'hono'
+  ],
+  sourcemap: true,
+}).catch(() => process.exit(1));