Add Makefile target for generating api.md documentation

[devin-ai-integration]

Add Makefile Target for Generating API Documentation

This PR adds a Makefile target for automatically generating the api.md documentation file. This allows for easier maintenance of the API documentation by providing a simple command to regenerate it when needed.

Added Makefile Target

make generate-api-docs

This target:

• Installs required dependencies (doxypypy)
• Sets up the necessary environment
• Runs Doxygen to generate XML documentation
• Uses moxygen to convert XML to markdown in docs/api.md

Link to Devin run: https://app.devin.ai/sessions/fd01c8097736469f9edc331366d54b3d
Requested by: [email protected]

[devin-ai-integration]

Original prompt from [email protected]:

Received message in Slack channel #devin:

@Devin can you take a look at the `docs/api.md` file in the note-python repo and cross check it against the `notecard` Python module? Can you tell me which APIs, if any, are missing?

[devin-ai-integration]

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