Resolve "Rename category "Use Case" to "use-case" to remove whitespace"

Closes #336 (closed)

_posts/2020/04/2020-04-06-hifis-support-folding-at-home.md

@@ -7,10 +7,11 @@ authors:
 layout: blogpost
 categories:
   - News
-  - Use Case
+  - use-case
 excerpt_separator: <!--more-->
 redirect_from:
   - news/2020/04/09/hifis-support-folding-at-home
+  - news/use%20case/2020/04/09/hifis-support-folding-at-home
 lang: en
 lang_ref: 2020-04-06-hifis-support-folding-at-home
 ---