feature: Add vercel file

src/serve.json

@@ -1,3 +0,0 @@
-{
-    "rewrites": [{ "source": "/(.*)", "destination": "/" }]
-}

src/vercel.json

@@ -0,0 +1,5 @@
+{
+    "rewrites": [{ 
+        "source": "/(.*)",
+        "destination": "/" }]
+  }