redirects: add alias for /guides/language/

Signed-off-by: David Karlsson <[email protected]>

Author: dvdksn

content/guides/_index.md

@@ -8,6 +8,7 @@ layout: landing
 aliases:
   - /learning-paths/
   - /language/
+  - /guides/language/
 ---
 
 Explore our collection of guides to learn how Docker can optimize your