Add nimantha.json for domain configuration

domains/nimantha.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "Nimantha-Perera",
+    "email": "nimanthaperera2001@gmail.com"
+  },
+  "record": {
+    "CNAME": "nimanthaperera.web.app"
+  }
+}