Update and rename debojitsantra.is-a.dev.json to debojitsantra.is-cool.dev.json

domains/debojitsantra.is-cool.dev.json

@@ -1,12 +1,12 @@
 {
   "description": "site for Debojit Santra",
-  "domain": "is-a.dev",
+  "domain": "is-cool.dev",
   "subdomain": "debojitsantra",
   "owner": {
     "repo": "https://github.com/debojitsantra",
     "email": "debojitsantra48@gmail.com"
   },
   "record": {
-    "CNAME": ["debojitsantra.vercel.app"]
+    "CNAME": "debojitsantra.vercel.app"
   }
 }