* 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
* Updated ASP description and recommendation
* Updated ASP description and recommendation
* Use present tense as instructed
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Co-authored-by: Pedro Melendez <pemelend@google.com>