Add Top AI Papers of the Week (July 20 - July 26) from newsletter sync

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -7,6 +7,7 @@ At DAIR.AI we ❤️ reading AI papers so we've created this repo to highlight t
 Here is the weekly series:
 
 ## 2026
+- [Top AI Papers of the Week (July 20 - July 26)](years/2026.md#top-ai-papers-of-the-week-july-20---july-26---2026)
 - [Top AI Papers of the Week (July 12 - July 19)](years/2026.md#top-ai-papers-of-the-week-july-12---july-19---2026)
 - [Top AI Papers of the Week (July 5 - July 12)](years/2026.md#top-ai-papers-of-the-week-july-5---july-12---2026)
 - [Top AI Papers of the Week (June 28 - July 5)](years/2026.md#top-ai-papers-of-the-week-june-28---july-5---2026)