Parse text markup into HTML

Changes for 0.25 - 2023-09-04T22:20:13Z

• Fixed the importation of Pod::Simple:🤐HTML, Text::Trac, Text::Textile, and Text::MediawikiFormat to use the correct syntax for requiring a minimum version. Thanks to Graham Knop for the PR (#27)!
• Fixed a reStructuredText test failure on newer versions of `docutils`.
• Moved development test dependencies from recommended prereqs to development prereqs.
• Increased the minimum required Module::Build version to 0.4209.
• Added GitHub Workflows for testing and releasing and removed Travis testing. Test on Perl 5.8 - 5.38 on Linux, macOS, an Windows.
• Fixed bugs executing Rest and Asciidoc on Windows.
• Updated Asciidoc ot find `asciidoc.bat` and `asciidoc.exe` on Windows.