Issue/2026 include readme md in module docs

[Hugo-Inmanta]

Description

Part of https://github.com/inmanta/irt/issues/2026

closes https://github.com/inmanta/inmanta-sphinx/issues/72 closes https://github.com/inmanta/irt/issues/2026

Current PR:

• Add new command generate-api-doc-v2 that detects presence of a README.md file + generates relevant file structure
• Relevant changes are in sphinxcontrib/inmanta/api.py (other files changes due to running black)

Core PR https://github.com/inmanta/inmanta-core/pull/7861

• Add the patch to include README.md
• Bump inmanta-sphinx version

IRT PR https://github.com/inmanta/irt/pull/2113

• Use new command generate-api-doc-v2

Tested locally with:

mkvirtualenv docs -p 3.11
git clone git@code.inmanta.com:solutions/modules/vcenter.git
git clone git@github.com:inmanta/inmanta-core.git --branch issue/2026-include-readme-md-in-module-docs
git clone git@github.com:inmanta/inmanta-sphinx.git --branch issue/2026-include-readme-md-in-module-docs
pip install inmanta-module-std -r inmanta-core/requirements.dev.txt  -e inmanta-core -e inmanta-sphinx

mkdir inmanta-core/docs/reference/modules
python -m sphinxcontrib.inmanta.api generate-api-doc-v2 --module_repo $(pwd) --module-name vcenter  --out-dir inmanta-core/docs/reference/modules/

cd inmanta-core/docs
make html

Note to self, merge this first then core and irt (they require >= 1.11.0)

Self Check:

Strike through any lines that are not applicable (~~line~~) then check the box

• [x] Attached issue to pull request
• [x] Changelog entry
• [x] Code is clear and sufficiently documented
• [x] Correct, in line with design
• [x] End user documentation is included or an issue is created for end-user documentation (add ref to issue here: )