feat(domain): add matbak.is-a.dev

domains/matbak.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "matbakdev",
+        "email": "matbakdev@protonmail.com"
+    },
+
+    "record": {
+        "CNAME": "matbakdev.github.io"
+    }
+}