Update configuration for Jekyll 3.8

adborden · adborden · commit 02f71b66aada · 2019-10-22T10:37:57.000-07:00
`gems` is deprecated, use `plugins` instead.
diff --git a/_config.yml b/_config.yml
@@ -19,7 +19,7 @@ exclude: ["script", "vendor", "Gemfile", "Gemfile.lock", "config.ru", "Procfile"
 markdown: kramdown
 relative_permalinks: false
 
-gems:
+plugins:
   - jekyll-redirect-from
 
 sass:
