chore: add verel config for CSP

vercel.json

@@ -0,0 +1,13 @@
+{
+    "headers": [
+      {
+        "source": "/(.*)",
+        "headers" : [
+          {
+            "key" : "Content-Security-Policy",
+            "value" : "img-src 'self'; font-src *; style-src 'self' 'unsafe-inline' fonts.googleapis.com; script-src 'self'; object-src 'none'"
+          }
+        ]
+      }
+    ]
+  }