MAIT-121: Add Outlook connector documentation

[acikabubo]

Summary

• Adds Outlook connector section to README.md
• Updates config.yaml.example with commented Outlook source block
• Updates .env.rag.example with Outlook credentials

🤖 Generated with Claude Code

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: c4171d4f-8c39-4411-8a57-4033772454a5

📥 Commits

Reviewing files that changed from the base of the PR and between b9d5644 and 6691832.

📒 Files selected for processing (3)

• .env.rag.example
• README.md
• config.yaml.example

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📝 Walkthrough

Summary by CodeRabbit

• New Features

  • Outlook Connector support added for Microsoft 365 mailbox email ingestion via Microsoft Graph, including configuration templates and required authentication parameters.

• Documentation

  • Added Outlook Connector setup guide with account requirements (Microsoft 365/Entra ID Business), necessary permissions, and example configuration settings.

Walkthrough

Added Outlook Connector configuration templates and documentation to support Microsoft 365 mailbox email ingestion via Microsoft Graph. All new configuration entries are commented-out templates with no runtime behavior changes by default.

Changes

Cohort / File(s)	Summary
Configuration Templates .env.rag.example, config.yaml.example	Added commented-out Outlook Connector configuration blocks with OAuth credentials (OUTLOOK1_CLIENT_ID, OUTLOOK1_CLIENT_SECRET, OUTLOOK1_TENANT_ID), mailbox identity (OUTLOOK1_USER_EMAIL), and optional parameters (folder, num_mails, schedules).
Documentation README.md	Added Outlook Connector section documenting Microsoft 365 mailbox email ingestion, including account type constraints (Business/Entra ID), required Azure permissions (Mail.Read), admin consent requirements, and configuration examples.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding Outlook connector documentation across multiple files (README, config.yaml.example, .env.rag.example).
Description check	✅ Passed	The description is directly related to the changeset, clearly listing the three files modified and the type of changes made to each.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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