feat: support vercel deploments

vercel.json

@@ -0,0 +1,35 @@
+{
+    "headers": [
+      {
+        "source": "/(.*)",
+        "headers": [
+          {
+            "key": "Content-Security-Policy",
+            "value": "upgrade-insecure-requests;"
+          },
+          {
+            "key": "X-Content-Type-Options",
+            "value": "nosniff"
+          },
+          {
+            "key": "X-Frame-Options",
+            "value": "DENY"
+          },
+          {
+            "key": "X-XSS-Protection",
+            "value": "1; mode=block"
+          },
+          {
+            "key": "Referrer-Policy",
+            "value": "strict-origin-when-cross-origin"
+          },
+          {
+            "key": "Permissions-Policy",
+            "value": "autoplay=(), camera=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), publickey-credentials-get=()"
+          }
+        ]
+      }
+    ],
+    "buildCommand": "npm run build",
+    "outputDirectory": "dist"
+  }