Add fk2731.json for domain configuration

domains/fk2731.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "fk2731",
+    "email": "leo.fk2731@gmail.com"
+  },
+  "records": {
+    "CNAME": "fk2731.github.io"
+  }
+}