Merge pull request #15656 from i-Jer/main

I changed my github username, please accept merge

domains/jer.json

@@ -4,6 +4,6 @@
     "email": "chen.fuyuan07@gmail.com"
   },
   "record": {
-    "CNAME": "jerblox.github.io"
+    "CNAME": "i-jer.github.io"
   }
 }