Aspen 1.0.0 - new chess engine

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Aspen v1.0.0 - First Stable Release
This marks the first stable release of Aspen. It features SIMD instructions, including Lizard SCReLU for the NNUE evaluation, and incremental accumulator updating, greatly increasing Aspen's strength.
Author: ATheofanis

UCI Improvements
Fixed bugs in FEN positions loading, which led to it crashing
Added UCI option to set the hash table size to however many megabytes you like
Coming in future releases
Search improvements
'Lazy Updates' for the accumulator


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