add explicit static asset routing in vercel.json to resolve image loading on production

Author: tonycletus

vercel.json

@@ -0,0 +1,42 @@
+{
+  "version": 2,
+  "builds": [
+    {
+      "src": "frontend/package.json",
+      "use": "@vercel/static-build",
+      "config": {
+        "distDir": "dist"
+      }
+    }
+  ],
+  "routes": [
+    {
+      "src": "/favicon.png",
+      "dest": "/favicon.png"
+    },
+    {
+      "src": "/icon.png",
+      "dest": "/icon.png"
+    },
+    {
+      "src": "/logo.png",
+      "dest": "/logo.png"
+    },
+    {
+      "src": "/og-image.png",
+      "dest": "/og-image.png"
+    },
+    {
+      "src": "/robots.txt",
+      "dest": "/robots.txt"
+    },
+    {
+      "src": "/assets/(.*)",
+      "dest": "/assets/$1"
+    },
+    {
+      "src": "/(.*)",
+      "dest": "/index.html"
+    }
+  ]
+}