feat(docx): add text formatting and hyperlink support (#630)

* feat: Enable markdown text formatting for docx

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Fix imports

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Use Formatting

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Handle hyperlink

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Handle formatting properly for DocItemLabel.PARAGRAPH

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Use inline group

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Handle bullet lists

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Strip elements

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Strip elements

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Run black and mypy

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Handle header and footer

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Use inline_fmt everywhere

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Run precommit

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Address feedback

Signed-off-by: SimJeg <sjegou@nvidia.com>

* Fix add_list_item

Signed-off-by: SimJeg <sjegou@nvidia.com>

* fix minor bugs, mark helper methods internal

Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>

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Signed-off-by: SimJeg <sjegou@nvidia.com>
Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>
Co-authored-by: Panos Vagenas <pva@zurich.ibm.com>