JTD tweaks.

Author: rspeele

_config.yml

@@ -17,6 +17,7 @@ remote_theme: just-the-docs/just-the-docs
 
 plugins:
   - jekyll-remote-theme
+  - jekyll-readme-index
 
 # --- Theme options -------------------------------------------------------
 
@@ -67,3 +68,5 @@ exclude:
   - "*.cs"
   - "*.gv"
   - SUMMARY.md
+  - DEVELOPER_README.md
+  - CHANGELOG.md

_sass/custom/setup.scss

@@ -0,0 +1,8 @@
+// SCSS variable overrides for the Just-the-Docs theme.
+//
+// Wider than default 800px
+$content-width: 1000px;
+
+// Slightly tighten the sidebar. 232 fits all the current SUMMARY.md titles comfortably with room for future additions.
+$nav-width: 232px;
+$nav-width-md: 232px;