update github repository url

Author: xuleixie

_config.yml

@@ -58,7 +58,7 @@ minima:
   social_links:
    - title: My blog repository at GitHub
      icon: github
-     url: "https://github.com/xuleixie"
+     url: "https://github.com/xuleixie/xuleixie.github.io"
    - title: My X(formerly Twitter)
      icon: x-twitter
      url: "https://x.com/xiexulei3"