Prepare v3.3 late ASIO capture and colour fixes

[Cheesewizard]

Summary

• Replace the early ASIO driver hook with a late attachment to the capture endpoints RS_ASIO v0.7.5 already created. This avoids loading the driver early or creating a second ASIO host.
• Bundle the configurable Drop Pedal overlay colours already integrated on develop, including the matching settings executable and release documentation.
• Remove the obsolete Player1AsioChannel and Player2AsioChannel settings. RS_ASIO now owns channel selection in RS_ASIO.ini.
• Fix Fix custom string colours not matching note colours #23 by generating the Notes palette into customNoteColorTexture, while the existing generator continues to release the previous texture before replacement.
• Update the release-facing version and documentation for 3.3.

Validation

• Kevin validated the late capture build live with a Behringer UMC22: first-start success, no helper application, processing enabled on the existing 2-channel 48 kHz 32-bit PCM endpoint, and faster perceived startup.
• Full Win32 Release solution rebuild completed with zero errors. Existing project warnings remain.
• Production Drop Pedal shifter suites completed at 96-frame and 256-frame callback sizes.
• The latency harness completed 472,500 callback measurements. One isolated wall-clock deadline spike occurred; all other callback measurements remained within budget.
• git diff --check passed.
• A local v3.3.0 RC ZIP was verified to contain the matching xinput1_3.dll and RSMods/RSMods.exe.

Remaining release checks

• Run issue Fix custom string colours not matching note colours #23's in-game normal, colourblind, and separate-note-colour mode matrix before merging or publishing the release.
• The new late capture path is live-proven in single player. Its two-player route remains to be validated in game.
• No tag or GitHub release is created by this PR.