feat: add vercel configuration and update vite public directory path

vercel.json

@@ -0,0 +1,23 @@
+{
+  "version": 2,
+  "builds": [
+    {
+      "src": "package.json",
+      "use": "@vercel/static-build",
+      "config": {
+        "distDir": "dist"
+      }
+    },
+    {
+      "src": "addon/server.js",
+      "use": "@vercel/node"
+    }
+  ],
+  "routes": [
+    { "src": "^/configure/(.*)", "dest": "/$1" },
+    { "src": "^/configure$", "dest": "/index.html" },
+    { "src": "^(.*)/manifest\\.json$", "dest": "/addon/server.js" },
+    { "src": "^(.*)/request_token$", "dest": "/addon/server.js" },
+    { "src": "/(.*)", "dest": "/addon/server.js" }
+  ]
+}

vite.config.ts

@@ -6,6 +6,7 @@ import path from "path";
 export default defineConfig(({ mode }) => ({
   plugins: [react()],
   base: '/configure/',
+  publicDir: 'configure/public',
   build: {
     outDir: 'dist',
     emptyOutDir: true,