chore: update Claude.md and add translation option issue (alexjustesen#2413)

Author: svenvg93

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,8 @@
 blank_issues_enabled: false
 contact_links:
+  - name: Translations
+    url: https://crowdin.com/project/speedtest-tracker
+    about: Please report translation issues and request new translations here. 
   - name: GitHub Community Support
     url: https://github.com/orgs/community/discussions
     about: Please ask and answer questions here.

CLAUDE.md

@@ -34,6 +34,10 @@ This application is a Laravel application and its main Laravel ecosystems packag
 - Stick to existing directory structure - don't create new base folders without approval.
 - Do not change the application's dependencies without approval.
 
+## Localization
+- Only create or update language files in the `lang/en` directory. Do not create or modify language files for other locales.
+- All translation strings should be added only to the English language files.
+
 ## Frontend Bundling
 - If the user doesn't see a frontend change reflected in the UI, it could mean they need to run `npm run build`, `npm run dev`, or `composer run dev`. Ask them.
 

crowdin.yml

@@ -1,5 +1,7 @@
 base_path: /lang
 preserve_hierarchy: true
+pull_request_labels:
+  - ":earth_africa: Translations"
 
 files:
   # PHP language files - root level