Matched quest related interfaces with the types being used in quests.json. Also made some properties that weren't required into nullable types. Co-authored-by: mBarneto <4347791+m-barneto@users.noreply.github.com> Reviewed-on: https://dev.sp-tarkov.com/SPT/Server/pulls/415 Co-authored-by: Mattdokn <mattdokn@noreply.dev.sp-tarkov.com> Co-committed-by: Mattdokn <mattdokn@noreply.dev.sp-tarkov.com>