Add bufferSize and includedRanges options to parse function in TS def

[thibaultdalban]

The function signature of Parser.prototype.parse defined in index.js

Parser.prototype.parse = function(input, oldTree, {bufferSize, includedRanges}={})

accepts a third optional parameter. This commit reflects the signature in TypeScript definition.

depends on #64

[maxbrunsfeld]

Thanks!