rm license

rm messages.json - broken maybe

adds messages.json and documentation for key bindings

Add test

TOC fix

add swiftinterface to file_extensions

change 'meta.preprocessor.c' to 'meta.preprocessor.swift', and add th…

…at to 'punctuation.definition.preprocessor'

some syntax fixes

quick fix to matching enums

add 'associatedtype' to reserved words