1. Change default ensure_vertical_shell_thickness value back to ensure_all as suggested by @igiannakas
2. Change default sparse_infill_pattern vaule to ipCrossHatch
* Added K1C and fixed some settings (took from config files instead of Creality Print)
* Files renaming
* New PLA-CF, prettify json for K1C, naming uniformisation, ...
* Port Special PLA profiles to K1/K1 Max
* Changed slow down layer time and slow down min speed in order to improve overall speed on details.
* Raised PLA bed temp to 55°C
* Optimisations for ABS, ASA and added Generic PC profile.
* Added PA-CF and fixed PC profiles.
* Added new filaments to default materials