Create khoadoan.json

domains/khoadoan.json

@@ -0,0 +1,11 @@
+    {
+      "description": "Portfolio of Doan Cong Khoa - Backend Developer",
+      "repo": "https://github.com/khoadoan2008/khoadoan2008.github.io",
+      "owner": {
+        "username": "khoadoan2008",
+        "email": "doancongkhoa2008@gmail.com"
+      },
+      "record": {
+        "CNAME": "khoadoan2008.github.io"
+      }
+    }