Add AI email agent using Composio to notebook

[cagnusmarlsen]

Why are these changes needed?

This PR adds a notebook showcasing an AI email assistant created using Composio and AutoGen agents that can automatically respond to emails. It shows how to set up agentic workflows and how Composio can be used to easily connect LLMs/agents to external apps to create more personalized experiences.

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[cagnusmarlsen]

@microsoft-github-policy-service agree company="Composio"

[ekzhu]

Thanks for the PR. We cannot test this from our side so @cagnusmarlsen we will need you to maintain this, otherwise we might be deleting this in the future if it goes out of date.

[gitguardian]

⚠️ GitGuardian has uncovered 8 secrets following the scan of your pull request.

Please consider investigating the findings and remediating the incidents. Failure to do so may lead to compromising the associated services or software components.

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🔎 Detected hardcoded secrets in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
12853598	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
10404693	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
12853599	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
10404694	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
12853601	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
10422482	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret
12853602	Triggered	Generic High Entropy Secret	363c533	test/oai/test_utils.py	View secret

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[cagnusmarlsen]

Hi @ekzhu, thanks for taking a look at this! And yes, I'll be maintaining this notebook and keep it up to date.