MAIT-156: Add Bitbucket connector docs and config templates

[acikabubo]

Summary

• Add Bitbucket connector section to README with config.yaml and .env.rag examples
• Add commented Bitbucket connector block to config.yaml.example
• Add BITBUCKET1_* env vars to .env.rag.example
• Add Bitbucket to the "Connectors included" list

[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: 7b21863c-f2b4-4e60-ba16-cff157da1a82

📥 Commits

Reviewing files that changed from the base of the PR and between 40f8bc4 and 913e883.

📒 Files selected for processing (3)

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

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📝 Walkthrough

Summary by CodeRabbit

• Documentation

  • Added Bitbucket Cloud to the list of supported connectors
  • Documented Bitbucket Cloud configuration with examples for credentials, repository targeting, and scheduling options
  • Updated environment variable template with Bitbucket configuration entries

• Style

  • Corrected markdown code fence formatting in documentation examples

Walkthrough

Added documentation and configuration templates for a Bitbucket connector to the project. Changes include environment variable examples, README documentation with configuration schema, and YAML configuration templates. Also corrected markdown code fence formatting and updated existing S3 connector example documentation.

Changes

Cohort / File(s)	Summary
Bitbucket Connector Configuration .env.rag.example, config.yaml.example, README.md	Introduced Bitbucket Cloud connector support with environment variable templates, YAML configuration examples documenting authentication (username, API token), repository targeting (workspace, repo, branch), optional file/directory filtering, and scheduling parameters. README documentation includes mutually exclusive filter directives and REST API v2.0 reference.
Documentation Fixes README.md	Corrected markdown code fence formatting from ````dotenv to ```dotenv for S3, MediaWiki, and SerpAPI examples. Removed extraneous blank list entry from S3 connector configuration example.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'MAIT-156: Add Bitbucket connector docs and config templates' accurately summarizes the main changes: adding documentation and configuration templates for a Bitbucket connector.
Description check	✅ Passed	The description provides a clear bullet-point summary of the changes, including additions to README, config.yaml.example, and .env.rag.example, all directly related to the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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