0.3.0

What's Changed

ADK related changes:

• add adk_base agent link
• feat: App interface rewrite for ADK agents by @eliasecchig in #72
• fix: env vars agentic rag by @eliasecchig in #71
• add-adk-agentic-rag-agent #70

Minor changes

• feat: add backoff e2e tests by @eliasecchig in #74 and #75

Full Changelog: 0.2.3...0.3.0