added user locale support for date formatting and input fields across components, updated TODO.md

TODO.md

@@ -15,6 +15,7 @@
 - [ ] Full-text search across all articles (beyond just fuzzy search in filter)
 - [ ] Article preview/summary - Show excerpt before opening full article
 - [ ] Reading time estimation - Display estimated read time per article
+- [ ] Add other LLM Systems like LM Studio and APIs for online models
 
 ## Feed Management & Discovery
 - [ ] Display Stale Feeds
@@ -28,6 +29,7 @@
 ## User Experience
 - [x] Dark/light theme toggle
 - [x] Infinite scroll / load more functionality for articles
+- [ ] App language depending on user locale
 - [ ] Customizable article layout - List view, card view, magazine style
 - [ ] Keyboard shortcuts - Navigate articles without mouse
 - [ ] Offline reading support - Cache articles for offline access