Resolve compatibility issues with mkdocs >= 1.4

Improved

• Make this plugin compatible as with mkdocs ~= 1.3, so also mkdocs ~= 1.4

Better compatibility with other plugins

Improved

• Store svg diagram in a Page object as well. It makes it compatible with mkdocs-print-site-plugin and other tools
• Update dependency versions in Piffle and Pipfile.lock

Release 1.2.0

New

• Add puml_keyword parameter that allows you to specify keywork for puml code fences in markdown. For example, you may set
  puml_keyword: plantuml and mkdocs_puml will look for the following code blocks:

  ```plantuml

  ```

Improved

• Ignore errors when converting svg diagrams into utf8 in order to strip unwanted characters.

Project cleaning

Improved

• Fix mistakes in README documentation
• Rename mkdocs_puml/plugins.py -> mkdocs_puml/plugin.py
• Update actions cache to the 3rd version
• Update min python version required for mkdocs_puml to 3.8+

Resolve dependencies and documentation

Improved

• Fix package dependencies confilict. Now mkdocs-puml has the same markdown dependency version as mkdocs. Related #17
• Add downloads badge to README.md
• Update bug issue template

Hotfix: use num_workers parameter in all the code

Improvements

Refactor num_workers parameter and name it this way everywhere in the code. Firstly, the problem was stated in #14.

Stable Version

Finalize the changes made in the previous releases and introduce the first stable release 🚀

New

• Production-ready code

Full-fledged plugin for mkdocs

New

• Add full-fledged mkdocs plugin to the package

Removed

• Markdown extension for PlantUML

Bring concurrency to the package

New

• Run requests to PlantUML in ThreadPoolExecutor

Improvements

• Update an interface of mkdocs_puml.puml.PlantUML class

v0.1.0

New

• PlantUML diagrams into svg images converter
• Extension to be used with mkdocs for inline PUML diagrams