Merge pull request #223 from ZenUml/fix/warning-old_edt

refactor(jetbrains): specify action update thread for DocumentationAc…

Upgrade pluginVersion to 2024.04.20.

Updated change log.

Merge pull request #210 from ZenUml/add-highlighting-and-completion

Added support for highlighting and auto-completion.

Updated plugin description and listed free and paid features.

Fixed change log format.

Merge pull request #209 from ZenUml/freemium

Freemium

Merge pull request #207 from ZenUml/fix-crashing-on-goland

Fixed crashing on other IDEs.

Merge pull request #206 from ZenUml/fix-conflict-with-markdown

Resolved the conflict with markdown plugin.

Updated CHANGELOG.md