[TASK] Redirects for new ViewHelperReference (#177)

before: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/typo3/backend/latest/LanguageColumn.html
after: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/Backend/LanguageColumn.html

before: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/typo3/core/latest/Icon.html
after: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/Core/Icon.html

before: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/typo3/fluid/latest/Debug.html
after: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/Global/Debug.html

before: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/typo3fluid/fluid/latest/Cycle.html
after: https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/Global/Cycle.html

config/nginx/redirects.conf

@@ -90,6 +90,18 @@ location ~ ^/typo3cms/ViewHelperReference(.*)$ {
     return 303 /other/typo3/view-helper-reference/main/en-us$1;
 }
 
+# Redirect URLs of old ViewHelper reference to new ViewHelper reference for 12.4 and main
+# (11 and below are static)
+location ~ ^/other/typo3/view-helper-reference/(main|12.4)/en-us/typo3/backend/latest/(.*) {
+    return 303 /other/typo3/view-helper-reference/$1/en-us/Backend/$2;
+}
+location ~ ^/other/typo3/view-helper-reference/(main|12.4)/en-us/typo3/core/latest/(.*) {
+    return 303 /other/typo3/view-helper-reference/$1/en-us/Core/$2;
+}
+location ~ ^/other/typo3/view-helper-reference/(main|12.4)/en-us/(?:typo3fluid/fluid|typo3/fluid)/latest/(.*) {
+    return 303 /other/typo3/view-helper-reference/$1/en-us/Global/$2;
+}
+
 # Move exceptions to standard location
 location ~ ^/typo3cms/exceptions/main/en-us/(.*)$ {
     return 301 /m/typo3/reference-exceptions/main/en-us/$1;