chore: added the nimish domain

domains/nimish.json

@@ -0,0 +1,12 @@
+{
+    "description": "Nimish's Engineering Diary",
+    "repo": "https://github.com/nimish-gupta/blog",
+    "owner": {
+        "username": "nimish-gupta",
+        "email": "gnimish03@gmail.com"
+    },
+    "record": {
+        "CNAME": "nimish-gupta.dev",
+        "URL": "https://nimish.is-a.dev"
+    }
+}