Feat : Setup cloudflare worker for cloud endpoint

cloud/README.md

@@ -0,0 +1,25 @@
+# 9Router Cloud Worker
+
+Deploy your own Cloudflare Worker to access 9Router from anywhere.
+
+## Setup
+
+```bash
+# 1. Login to Cloudflare
+npm install -g wrangler
+wrangler login
+
+# 2. Install dependencies
+cd app/cloud
+npm install
+
+# 3. Create KV & D1, then paste IDs into wrangler.toml
+wrangler kv namespace create KV
+wrangler d1 create proxy-db
+
+# 4. Init database & deploy
+wrangler d1 execute proxy-db --remote --file=./migrations/0001_init.sql
+npm run deploy
+```
+
+Copy your Worker URL → 9Router Dashboard → **Endpoint** → **Setup Cloud** → paste → **Save** → **Enable Cloud**.