v2.0.0

Changelog

• d13d611 Add value keyword for Kotlin
• dea6a13 Add CSS style inheritance to WithCustomCSS option
• 7d77940 [html formatter] Add option to let users provide custom CSS styles
• 7cc13cf Add support for F# package reference + Fix CommentPreproc detection (#631)
• 073a30b Add Whiley Lexer (#628)
• 44d1d23 fix: revert line change from pygments converter
• d070b1c Fix for C# identifiers with leading underscores
• f7d2bb0 fix: pin to Go 1.17 for now
• f7893bc add an average rgb scheme
• 7bfe2f4 fix: add Dart required keyword