update

doc/Gemfile

@@ -4,6 +4,4 @@ source 'https://rubygems.org'
 
 gem "jekyll", "~> 4.2"
 
-group :jekyll_plugins do
-  gem "jekyll-timeago", "~> 0.13.1"
-end
+gem "minima"

doc/Gemfile.lock

@@ -42,10 +42,12 @@ GEM
       safe_yaml (~> 1.0)
       terminal-table (>= 1.8, < 4.0)
       webrick (~> 1.7)
+    jekyll-feed (0.17.0)
+      jekyll (>= 3.7, < 5.0)
     jekyll-sass-converter (3.0.0)
       sass-embedded (~> 1.54)
-    jekyll-timeago (0.13.1)
-      mini_i18n (>= 0.8.0)
+    jekyll-seo-tag (2.8.0)
+      jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     kramdown (2.4.0)
@@ -57,10 +59,13 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    mini_i18n (0.9.0)
+    minima (2.5.1)
+      jekyll (>= 3.5, < 5.0)
+      jekyll-feed (~> 0.9)
+      jekyll-seo-tag (~> 2.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.5)
+    public_suffix (5.1.0)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
@@ -101,7 +106,7 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 4.2)
-  jekyll-timeago (~> 0.13.1)
+  minima
 
 BUNDLED WITH
    2.5.13

doc/_config.yml

@@ -28,6 +28,7 @@ url: "" # the base hostname & protocol for your site, e.g. http://example.com
 github_username:  HEPLean
 
 # Build settings
+theme: minima
 
 
 # Exclude from processing.