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

domains/tk.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "thaddeuskkr",
+        "email": "thaddeuskkr@gmail.com"
+    },
+
+    "record": {
+        "A": ["138.2.69.79"]
+    }
+}