* Replace google.github.io/adk-docs URLs and /adk-docs/ paths with adk.dev
Migrate all hardcoded documentation references to use the new custom
domain. Update root-relative links to remove the /adk-docs/ subpath
prefix since the site will be served from the root of adk.dev.
* Additional fixes
* Add durability tag and clean up integration catalog tags
* Fix for tags with multiple words
* Update tag name to Durable Execution
* Change tag name to Resilience
* docs: centralize 3P and 1P Integrations content
- move all content to integrations/
- frontmatter headings for all integration listings
* respond to review comments
* docs: single source extensions listings
* docs: add infrastructure and updates for catalog
* updates: feedback responses, third party and gemini
* fix: update Python code