Merge #4703

4703: Add localized wiki pages where there is some content at least r=edg-l a=def-

<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: def <dennis@felsin9.de>

data/languages/brazilian_portuguese.txt

@@ -1143,7 +1143,7 @@ Download skins
 == Baixar skins
 
 https://wiki.ddnet.tw/
-== https://wiki.ddnet.tw/
+== https://wiki.ddnet.tw/wiki/Main_Page/pt-br
 
 Website
 == Site

data/languages/catalan.txt

@@ -1279,7 +1279,7 @@ https://ddnet.tw/discord
 == https://ddnet.tw/discord
 
 https://wiki.ddnet.tw/
-== https://wiki.ddnet.tw/
+== https://wiki.ddnet.tw/wiki/Main_Page/ca
 
 Website
 == Página Web

data/languages/german.txt

@@ -1197,7 +1197,7 @@ Assets directory
 == Assets-Ordner
 
 https://wiki.ddnet.tw/
-== https://wiki.ddnet.tw/
+== https://wiki.ddnet.tw/wiki/Main_Page/de
 
 Saving ddnet-settings.cfg failed
 == ddnet-settings.cfg zu speichern ist fehlgeschlagen

data/languages/russian.txt

@@ -1114,7 +1114,7 @@ Skip the main menu
 == Пропускать главное меню
 
 https://wiki.ddnet.tw/
-== https://wiki.ddnet.tw/
+== https://wiki.ddnet.tw/wiki/Main_Page/ru
 
 Website
 == Сайт