feat: MVP implementation — MCP server, partner one-pager, legal docs

Code (code/):
- TypeScript MCP server with 5 tools (business info, hours, services, booking, related)
- PostgreSQL schema with pilot business seed data
- /.well-known/mcp-server manifest generator
- Railway deployment config (Dockerfile, railway.json)
- Multi-tenant gateway placeholder

GTM (docs/gtm/):
- Partner One-Pager: agency sales asset with economics, onboarding, competitive comparison

Legal (docs/legal/):
- Data Flow & Privacy: data collection, storage, sharing, GDPR/CCPA commitments
- Partnership Agreement Skeleton: template for agency/CoC partnerships
- IP Notes: well-known convention positioning, telemetry ownership, open-source strategy

code/railway.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "https://railway.app/railway.schema.json",
+  "build": {
+    "builder": "DOCKERFILE",
+    "dockerfilePath": "./Dockerfile"
+  },
+  "deploy": {
+    "startCommand": "npm start",
+    "healthcheckPath": "/health",
+    "healthcheckTimeout": 100,
+    "restartPolicyType": "ON_FAILURE",
+    "restartPolicyMaxRetries": 10
+  }
+}