Add dopaemon.is-a.dev

- [x] I agree to the Terms of Service.
- [x] My file is following the domain structure.
- [x] My website is reachable and completed.
- [x] My website is software development related.
- [x] My website is not for commercial use.
- [x] I have provided contact information in the owner key.
- [x] I have provided a preview of my website below.

Demo: https://dopaemon.github.io

A Portfolio personal

Signed-off-by: dopaemon <polarisdp@gmail.com>

domains/dopaemon.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "dopaemon",
+        "email": "polarisdp@gmail.com"
+    },
+    "records": {
+        "CNAME": "dopaemon.pages.dev"
+    }
+}