Update README.md

Update README.md

Update README.md

Update README.md

Update agent.py

Update agent.py

simple edits

Deleted any async function as ADK already has one

Add sub_agents to wedding agent configuration

Import shared memory helpers in photography_agent.py

Import shared memory helpers in catering_agent.py

Update photography agent model to 'gemini-2.0-flash'

Rename catering_agent to catering_agent.py

Add PhotographyAgent for wedding coverage proposals

Created catering_agent