feat: add parameter to choose of which pages export the doctags

[rickymaggio02]

Add parameter to export only certain pages to doctors from a Docling document

[mergify]

Merge Protections

Your pull request matches the following merge protections and will not be merged until they are valid.

🟢 Enforce conventional commit

Wonderful, this rule succeeded.

Make sure that we follow https://www.conventionalcommits.org/en/v1.0.0/

• title ~= ^(fix|feat|docs|style|refactor|perf|test|build|ci|chore|revert)(?:\(.+\))?(!)?:

🟢 Require two reviewer for test updates

Wonderful, this rule succeeded.

When test data is updated, we require two reviewers

• #approved-reviews-by >= 2

[vagenas]

@rickymaggio02

• I have left some inline comments/suggestions.
• Besides, let's test-cover the new param (you can draw inspiration from how we test minified in test_docling_doc.py).

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
docling_core/types/doc/document.py	0.00%	1 Missing ⚠️

📢 Thoughts on this report? Let us know!