Tune piece square tables

[FitzOReilly]

• Tune king and rook PSTs to encourage castling and prevent trapping rooks in the corner
• Tune pawn PSTs to discourage pushing pawns in front of the castled king
• Tune bishop PSTs

[codecov-commenter]

Codecov Report

Base: 88.57% // Head: 88.57% // No change to project coverage :thumbsup:

Coverage data is based on head (3518d55) compared to base (964e2c1). Patch has no changes to coverable lines.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #153 +/- ## ======================================= Coverage 88.57% 88.57% ======================================= Files 70 70 Lines 4264 4264 ======================================= Hits 3777 3777 Misses 487 487 ``` | [Impacted Files](https://codecov.io/gh/FitzOReilly/fatalii/pull/153?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck) | Coverage Δ | | |---|---|---| | [eval/src/complex.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/153?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-ZXZhbC9zcmMvY29tcGxleC5ycw==) | `91.00% <ø> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck)

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