feat(ft): add supercollider and faust support (#252)

Ref: supercollider (https://doc.sccode.org/Reference/Comments.html) and faust (https://faustdoc.grame.fr/manual/syntax/)

Author: madskjeldgaard

lua/Comment/ft.lua

@@ -58,6 +58,7 @@ local L = setmetatable({
     elixir = { M.hash },
     elm = { M.dash, M.haskell_b },
     elvish = { M.hash },
+	faust = { M.cxx_l, M.cxx_b },
     fennel = { M.lisp_l },
     fish = { M.hash },
     fsharp = { M.cxx_l, M.fsharp_b },
@@ -111,6 +112,7 @@ local L = setmetatable({
     scheme = { M.lisp_l, M.lisp_b },
     sh = { M.hash },
     solidity = { M.cxx_l, M.cxx_b },
+    supercollider = { M.cxx_l, M.cxx_b },
     sql = { M.dash, M.cxx_b },
     stata = { M.cxx_l, M.cxx_b },
     svelte = { M.html, M.html },