domain: add 'nelson-mbau' domain files

domains/_vercel.nelson-mbau.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "ndungu-mbau",
+    "email": "mbau.ndungu@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=nelson-mbau.is-a.dev,d8d2f4ad5dcc204cd69a"
+  }
+}

domains/nelson-mbau.json

@@ -0,0 +1,11 @@
+{
+  "owner": {
+    "username": "ndungu-mbau",
+    "email": "mbau.ndungu@gmail.com"
+  },
+  "records": {
+    "A": [
+      "216.198.79.1"
+    ]
+  }
+}