Overall Gameplay fixes and additions.
- Settings generated if missing
- Reworked save deck files, old '.decklist' files will no longer work (This will change again in the future)
- Added fragile hearts (cannot be modified by external effects)
- Added no shield flag (Gold heart border, card cannot gain shields)
- Added sound for start of turn and option to disable it
- Fixed sacrifice now correctly damages player for 2
- Fixed status effect indicator appearing on card that cant have status effects
- Fixed Status effects not applying in some cases
- Fixed load/save deck issue