chore: update blog title in config.

Author: donglua

_config.yml

@@ -18,7 +18,7 @@
 # You can create any custom variable you would like, and they will be accessible
 # in the templates via {{ site.myvariable }}.
 
-title: DL's Notes
+title: 光头鲁的博客
 email: your-email@example.com
 description: >- # this means to ignore newlines until "baseurl:"
   A personal tech blog by DL.