Update alamin-nahid.json structure and content

Removed portfolio description and repo link, and updated record structure.

domains/alamin-nahid.json

@@ -1,11 +1,14 @@
 {
-  "description": "Al Amin Hossain Nahid Portfolio",
-  "repo": "https://github.com/AlAminNahid/portfolio-v1",
   "owner": {
     "username": "AlAminNahid",
     "email": "robin.nahid123@gmail.com"
   },
-  "record": {
-    "CNAME": "cname.vercel-dns.com"
+  "records": {
+    "CNAME": [
+      {
+        "name": "@",
+        "value": "cname.vercel-dns.com"
+      }
+    ]
   }
 }