Add profile picture to sidebar

Author: allexistence

_config.yml

@@ -82,7 +82,7 @@ theme_mode: #dark
 cdn:
 
 # the avatar on sidebar, support local or CORS resources
-avatar:
+avatar: /assets/img/avatar.jpg
 
 # The URL of the site-wide social preview image used in SEO `og:image` meta tag.
 # It can be overridden by a customized `page.image` in front matter.