Merge pull request #12419 from Grafaffel/main

Register linky.is-a.dev, and delete _discord.grafaffel.is-a.dev

domains/linky.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "Grafaffel",
+        "email": "jannis170@icloud.com"
+    },
+    "record": {
+        "CNAME": "linky.jannisfischer170.workers.dev"
+    }
+}