Try a Germanic redirect... ;-)

Author: ntoll

Gemfile.lock

@@ -25,6 +25,8 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
+    jekyll-redirect-from (0.14.0)
+      jekyll (~> 3.3)
     jekyll-sass-converter (1.3.0)
       sass (~> 3.2)
     jekyll-sitemap (1.2.0)
@@ -54,7 +56,8 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 3.1)
+  jekyll-redirect-from
   jekyll-sitemap
 
 BUNDLED WITH
-   1.16.1
+   1.16.3

de/help/1.0.md

@@ -0,0 +1,5 @@
+---
+title: Help for Mu 1.0.*
+redirect_to:
+  - https://codewith.mu/en/help/1.0
+---

en/help/1.0.md

@@ -1,13 +1,6 @@
 ---
 layout: default
 title: Help for Mu 1.0.*
-redirect_from:
-  - "/de/help/1.0"
-  - "/es/help/1.0"
-  - "/fr/help/1.0"
-  - "/ja/help/1.0"
-  - "/pt/help/1.0"
-  - "/zh/help/1.0"
 ---
 
 # Help for Mu 1.0