New documentation

First commit, halfway through a major restructuring of documentation.

docs/Gemfile.lock

@@ -24,10 +24,12 @@ GEM
       http_parser.rb (~> 0.6.0)
     ethon (0.12.0)
       ffi (>= 1.3.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     execjs (2.7.0)
     faraday (1.0.0)
       multipart-post (>= 1.2, < 3)
+    ffi (1.12.1)
     ffi (1.12.1-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -204,6 +206,8 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.0)
     multipart-post (2.1.1)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.7-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     octokit (4.15.0)
@@ -235,22 +239,15 @@ GEM
       ethon (>= 0.9.0)
     tzinfo (1.2.6)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2019.3)
-      tzinfo (>= 1.0.0)
     unicode-display_width (1.6.1)
-    wdm (0.1.1)
     zeitwerk (2.2.2)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES
-  github-pages (~> 203)
-  jekyll-feed (~> 0.12)
-  minima (~> 2.5)
-  tzinfo (~> 1.2)
-  tzinfo-data
-  wdm (~> 0.1.1)
+  github-pages
 
 BUNDLED WITH
    2.1.4