Initial wws serverless functions setup

- Add health check API endpoint (/api)
- Add chat proxy to n8n workflow (/chat)
- Add webhook receiver for external integrations (/webhook)
- Add Dockerfile for container deployment
- Add wws.toml configuration

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/index.js

@@ -0,0 +1,46 @@
+// Health check and API info endpoint
+// Path: /api
+
+addEventListener('fetch', event => {
+  event.respondWith(handleRequest(event.request))
+})
+
+async function handleRequest(request) {
+  const url = new URL(request.url)
+
+  // CORS headers for browser requests
+  const corsHeaders = {
+    'Access-Control-Allow-Origin': '*',
+    'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
+    'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+  }
+
+  if (request.method === 'OPTIONS') {
+    return new Response(null, { headers: corsHeaders })
+  }
+
+  const response = {
+    status: 'ok',
+    service: 'mylder-wws',
+    version: '1.0.0',
+    timestamp: new Date().toISOString(),
+    endpoints: {
+      health: '/api',
+      chat: '/chat',
+      webhook: '/webhook'
+    },
+    runtime: 'wasm-workers-server',
+    features: [
+      'cloudflare-compatible',
+      'zero-vendor-lock-in',
+      'webassembly-sandbox'
+    ]
+  }
+
+  return new Response(JSON.stringify(response, null, 2), {
+    headers: {
+      'Content-Type': 'application/json',
+      ...corsHeaders
+    }
+  })
+}