🔍 Rewrite basic NMP

[eduherminio]

After confirming how shitty the current NMP implementation is (results in #473), let's rewrite bit by bit.
This a first basic PR, after having failed to add more complex features in #474.

8+0.08, no resignation or draw agreements

Score of Lynx-nmp-basic-1870-win-x64 vs Lynx 1869 - main: 898 - 754 - 1000  [0.527] 2652
...      Lynx-nmp-basic-1870-win-x64 playing White: 577 - 260 - 490  [0.619] 1327
...      Lynx-nmp-basic-1870-win-x64 playing Black: 321 - 494 - 510  [0.435] 1325
...      White vs Black: 1071 - 581 - 1000  [0.592] 2652
Elo difference: 18.9 +/- 10.4, LOS: 100.0 %, DrawRatio: 37.7 %
SPRT: llr 2.89 (100.1%), lbound -2.25, ubound 2.89 - H1 was accepted