Implement parsing and loading Spice libraries into KiCad. This is done
without any involvement of Ngspice -- we create our own in-tree parser
using PEGTL -- because Ngspice doesn't offer any intermediate output we
could plug ourselves into. We don't parse everything -- just the library
content, so this won't be that much effort.
We implement some basic Spice code preview to give the user a hint what
Spice code eir model will correspond to.
Mikolaj Wielgus