Add: mkdocs-publisher project (set of plugins)

[mkusz]

What kind of change does this PR introduce?

• Add a project
• Update a project
• Remove a project
• Add or update a category
• Change configuration
• Documentation
• Other, please describe:

Description:
Adding my project that is a set of plugins. Original issue where topic related how to add this kind of project was covered at #140.

Checklist:

• I have read the CONTRIBUTING guidelines.
• I have not modified the README.md file. Projects are only supposed to be added or updated within the projects.yaml file since the README.md file is automatically generated.

[mkusz]

Because there are no strict rules about naming convention in this kind of project, I hope my idea is ok. @pawamoy what do you think?
PS. I forgot to set you as a reviewer, it's why I made this comment ;)

[pawamoy]

Hey sorry, super busy with MkDocs backlog, but I've saved this in my notifications, will review this tomorrow ^^

[pawamoy]

Thanks, that looks great! Let me just check how the mkdocs get-deps command will behave with these changes before merging 🙂

[pawamoy]

OK mkdocs get-deps seems to work well with these changes! Merging 🙂

Tested with:

cd catalog
gh pr checkout 204
echo >>mkdocs.yml <<EOF
plugins:
  - pub-blog
  - pub-social
  - pub-minifier
  - pub-obsidian
  - pub-meta
  - pub-debugger
EOF
mkdocs get-deps -f mkdocs.yml -p projects.yaml