feat: add domain configuration and Vercel verification records for marcchen.is-a.dev

domains/_vercel.marcchen.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "MarcChen",
+        "email": "128506536+MarcChen@users.noreply.github.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=marcchen.is-a.dev,2eba5e6c362e6f147a39"
+    }
+}

domains/marcchen.json

@@ -0,0 +1,11 @@
+{
+    "owner": {
+        "username": "MarcChen",
+        "email": "128506536+MarcChen@users.noreply.github.com"
+    },
+    "records": {
+        "A": [
+            "216.198.79.1"
+        ]
+    }
+}