feat: add colombe.is-a.dev domain

domains/colombe.json

@@ -0,0 +1,11 @@
+{
+  "owner": {
+    "username": "colombefioren",
+    "email": "colomberakotonjanahary@gmail.com"
+  },
+  "records": {
+    "A": [
+      "216.198.79.1"
+    ]
+  }
+}