feat: add time management based on the increment and current move num…

…ber, which means using less time in the opening and more in the middlegame

feat: add Linux+Windows build script which automatically adds version…

… and hash info

docs: provide CCRL estimates + add author

feat: add null move pruning (8.7s -> 3.4s) (2.5x speedup)

fix: fix overflows for windows release (win: long=32bit, linux: long=…

…64bit)