Fix July presentation asset paths (part 3)

Publish July MCP Release Party (part 3)

Refresh presentation archive and fix Arize video playback

Refresh presentation index metadata and design

Fix AiDevCon London link

Add AiDevCon London to presentations index

Update index.html: reorder by date and fix MCP Connect Paris link

Add MCP Connect 2026 presentation with latest updates

Upload 85 files

initial commit