Add anchor links

The custom anchor link template is needed to remove the default content.
It is also a convenient way to make the classes in our existing CSS
match the new anchor links.

Author: senekor

config.toml

@@ -8,6 +8,7 @@ build_search_index = false
 highlight_code = true
 highlight_theme = "boron"
 bottom_footnotes = true
+insert_anchor_links = "left"
 
 [extra]
 # Put all your custom variables here

templates/anchor-link.html

@@ -0,0 +1 @@
+<a class="anchor" href="#{{ id }}" aria-hidden="true"></a>