11.2.0 - mostly tiny fixes

Version 11.2.0

Build:

• fix: run Node build CSS files thru CSS processor also (#3284) Josh Goebel

Parser:

• fix(types) Fix some type definition issues (#3274) Josh Goebel

Grammars:

• enh(swift) Add isolated/nonisolated keywords (#3296) Bradley Mackey

New Languages:

• Added 3rd party X# grammar to SUPPORTED_LANGUAGES Patrick Kruselburger