docs: translation module (#14271)

* docs: translation module

* fix link in JS SDK

* add translations user guides [WIP]

* updates

* fix broken link

* remove mentions of default locale

* change header

* updates

* updated user guides

* handle todos

* fix build error

* fix lint errors

www/apps/api-reference/generated/generated-store-sidebar.mjs

@@ -56,6 +56,12 @@ const generatedgeneratedStoreSidebarSidebar = {
       "path": "workflows",
       "loaded": true
     },
+    {
+      "type": "link",
+      "title": "Localization",
+      "path": "localization",
+      "loaded": true
+    },
     {
       "type": "separator"
     },