Rudim v3.0.4 - 256 HL, bug fixes

Network: v4-gen1

Features

• 256 HL NNUE (adb4ff4)
• maintain accumulators in a separate stack (7e6a632)
• avoid reallocating movelist on each node (7b4e0f9)

Fixes

• improve NMP conditions (c5c45ec)
• skip futility pruning if all moves are quiet (a7739cf)
• node counting errors (088bfe5)
• uci info output for time and nps (0780f9b)

Maintenance

• bump bitflags (aed2418)
• update readme, gitignore and tests (9e713ba, b37cb80, 1ed01f9, 1e492fa, 567887b)

Statistics

Node Count Reduction (Same-Depth Comparison):

Position	Depth	v3.0.3 (Previous)	v3.0.4 (Current)	Reduction
Starting	13	1320.5k	922.0k	1.43x
Advanced	16	2329.0k	3754.3k	0.62x
Kiwi Pete	12	914.9k	920.1k	0.99x
Endgame	17	864.5k	777.5k	1.11x

Tournament vs v3.0.3

Score of Rudim-3.0.4 vs Rudim-3.0.3: 397 - 205 - 398 [0.596]
...      Rudim-3.0.4 playing White: 224 - 79 - 197  [0.645] 500
...      Rudim-3.0.4 playing Black: 173 - 126 - 201  [0.547] 500
...      White vs Black: 350 - 252 - 398  [0.549] 1000
Elo difference: 67.5 +/- 16.8, LOS: 100.0 %, DrawRatio: 39.8 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf
1000 of 1000 games finished.

Full Changelog: v3.0.3...v3.0.4