The new decoder can now decode patched and custom rpaks files, all issues so far have been fixed. The code still needs some testing and bench marking to make sure
Allows paks compressed with ZSTD, to be stream decoded at run time. Currently seems to work pretty good, but needs to be further battle tested + cleaned up still.
* split rtech_game and rtech_utils cpp files into multiple files
* rebuilt several large pak load routines for debugging and custom implementations
* moved rson code to rtech_game
* reworked and improved engine and sdk pak precache system
* reversed more of the jobthreads system
