New version chess engine: Jackal 1.2.0

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UCI chess engine: Jackal.
Author - Tomasz Jaworski

v.1.2.0:
Value net trained with EAS bonuses
Increased value net L1 to 2048
Quantised value net
Adjusted EAS params
Moved movegen library into files to increase performance
Tuned params of the engine
Heavily modified contempt code
Estimated Elo: 3150



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