config: update syntax highlighting

TODO.md

@@ -3,6 +3,7 @@ TODO List
 
 ## Misc
 
+- Fix the favicon
 - Fix the TODO FIXME section of install / existing installs.
 - Fix the TODO FIXME section of add-to-config / non-flake.
 - Figure out what to replace the location section with.
@@ -10,16 +11,15 @@ TODO List
 - Figure out any legalese we need on the main page.
 - Add social media icons below lix for mastodon/github/etc.
 - Figure out where "usability" should link to.
-- Link "/contributing" to... maybe the wiki?
 
 ## Pages
 
 - Create the `/resources` page, with resources for learning Nix.
 - Create the /team page and include CoI declarations.
-- Figure out where to link the "Docs" link to.
 - Create a /community page linking to matrix.
-- Create /roadmap.
-- Create /infrastructure.
+- Link "/contributing" to... maybe the wiki?
+
+- Figure out where to link the "Docs" link to, and uncomment it.
 
 ## Graphics
 
@@ -31,4 +31,8 @@ TODO List
 
 # Wishlist
 
+- Fix the way CSS makes the page look on narrower monitors
+- Fix the CSS vertical alignment on webkit mobile
 - Screenshots (incl. maybe of Xil) showing ergonomics enhancements in the /about page.
+- Create /roadmap.
+- Create /infrastructure.

config.yaml

@@ -55,7 +55,7 @@ menus:
       weight: 5
 
     - name: "Wiki"
-      url: "https://wiki.lix.systems"
+      url: "https://wiki.lix.systems/books"
       weight: 6
 
   buttons:
@@ -98,3 +98,6 @@ markup:
   goldmark:
     renderer:
       unsafe: true
+
+  highlight:
+    style: manni