Create app.senthil.json for domain configuration

Add app.senthil.json configuration for domain setup

domains/app.senthil.json

@@ -0,0 +1,24 @@
+{
+  "owner": {
+    "username": "gptechland",
+    "email": "skn.hills@gmail.com"
+  },
+  "record": {
+    "CNAME": "vendor-quote-analyzer.onrender.com"
+  }
+}
+```
+
+Or if you want to add it as a subdomain of your existing setup, check how is-a.dev handles subdomains.
+
+### 9c. Submit Pull Request
+
+1. Commit the new file
+2. Create a Pull Request to is-a.dev/register
+3. Wait for approval (usually 24-48 hours)
+
+### Alternative: Use Render's Free URL
+
+While waiting for DNS, you can use the free Render URL:
+```
+https://vendor-quote-analyzer.onrender.com