Add syntax highlighting, edit theme, and revise AdvMake documentation

config/_default/menus.toml

@@ -14,12 +14,6 @@
   url = "/docs/"
   weight = 20
 
-# [[social]]
-#   name = "Twitter"
-#   pre = "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"feather feather-twitter\"><path d=\"M23 3a10.9 10.9 0 0 1-3.14 1.53 4.48 4.48 0 0 0-7.86 3v1A10.66 10.66 0 0 1 3 4s-4 9 5 13a11.64 11.64 0 0 1-7 2c9 5 20 0 20-11.5a4.5 4.5 0 0 0-.08-.83A7.72 7.72 0 0 0 23 3z\"></path></svg>"
-#   url = "https://twitter.com/gethyas"
-#   weight = 10
-
 [[social]]
   name = "GitLab"
   pre = "<span class='iconify' data-icon='fa-brands:gitlab' data-inline='false'></span>"