Lockpick_RCM_Pro v2.1.0

What's New

Added automatic extraction of new key sources from package1.
Added support for deriving newer master keys without requiring their key sources to be hardcoded in advance.
Added NCA header, RomFS, and package1 parsing.
Refactored master-key derivation for Erista and Mariko.
Added software-based TSEC root and package1 key derivation.
Added additional TSEC and package1 keys to prod.keys and dev.keys.
Restored compressed-loader packaging to preserve payload-size headroom.

Special thanks to borntohonk for the key-derivation refactor and future-key extraction implementation.