feat: Add DoclingDocument.load_from_doctags method and DocTags data models (#187)

* Adding load_from_document_tokens method to Docling document

Signed-off-by: Maksym Lysak <[email protected]>

* Added skeleton for the unit test

Signed-off-by: Maksym Lysak <[email protected]>

* Processing ordered and unordered lists

Signed-off-by: Maksym Lysak <[email protected]>

* Define new types for DocTags containers

Signed-off-by: Christoph Auer <[email protected]>

* Implement load_from_doctags with container types

Signed-off-by: Christoph Auer <[email protected]>

* Update tests

Signed-off-by: Christoph Auer <[email protected]>

* update test data

Signed-off-by: Christoph Auer <[email protected]>

* Cleanup commented lines

Signed-off-by: Christoph Auer <[email protected]>

* Fix for proper list groups

Signed-off-by: Maksym Lysak <[email protected]>

* Check for number of page doctags must be equal to page images

Signed-off-by: Maksym Lysak <[email protected]>

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Signed-off-by: Maksym Lysak <[email protected]>
Signed-off-by: Christoph Auer <[email protected]>
Co-authored-by: Maksym Lysak <[email protected]>
Co-authored-by: Christoph Auer <[email protected]>

Author: 3 people