Alpha test

web/vercel.json

@@ -0,0 +1,18 @@
+{
+    "name": "sub-store",
+    "version": 2,
+    "builds": [
+      {
+        "src": "package.json",
+        "use": "@vercel/static-build"
+      }
+    ],
+    "routes": [
+      {
+        "src": "/(js|css|img)/.*",
+        "headers": { "cache-control": "max-age=31536000, immutable" }
+      },
+      { "handle": "filesystem" },
+      { "src": ".*", "dest": "/" }
+    ]
+  }