Add Jekyll plugin for GFM admonitions

Author: matt-graham

docs/Gemfile

@@ -4,4 +4,5 @@ gem 'jekyll', '~>4'
 
 group :jekyll_plugins do
     gem 'just-the-docs','~>0'
+    gem 'jekyll-gfm-admonitions'
 end

docs/Gemfile.lock

@@ -7,6 +7,7 @@ GEM
     bigdecimal (3.1.9)
     colorator (1.1.0)
     concurrent-ruby (1.3.5)
+    cssminify (1.0.2)
     csv (3.3.4)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
@@ -64,6 +65,10 @@ GEM
       safe_yaml (~> 1.0)
       terminal-table (>= 1.8, < 4.0)
       webrick (~> 1.7)
+    jekyll-gfm-admonitions (1.2.0)
+      cssminify (~> 1.0)
+      jekyll (>= 3.0, < 5.0)
+      octicons (~> 19.8)
     jekyll-include-cache (0.2.1)
       jekyll (>= 3.7, < 5.0)
     jekyll-sass-converter (3.1.0)
@@ -87,6 +92,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
+    octicons (19.21.2)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (6.0.2)
@@ -166,6 +172,7 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 4)
+  jekyll-gfm-admonitions
   just-the-docs (~> 0)
 
 BUNDLED WITH

docs/_config.yml

@@ -13,3 +13,6 @@ aux_links:
 aux_links_new_tab: true
 
 logo: "https://raw.githubusercontent.com/UCL-ARC/python-tooling/main/images/logo.svg"
+
+plugins:
+  - jekyll-gfm-admonitions