Cobalt v1.0.0 for bluebox desktop firmware 1.5.2

Cobalt v1.0.0 for bluebox desktop firmware 1.5.2

Unofficial firmware mod and patcher for the 1010music bluebox desktop.
No firmware is included: the patchers take your copy of the official
1.5.2 BLUEBOX.BIN and write a patched image, and can restore the
original exactly.

• FX1 delay modes: Delay, Warp delay, Granulr, Tape, Ducked, Reverse
• FX2 Gazer reverb
• Per-track noise gate with MIXER Gate meters
• Master saturation (Soft and Tape) with Tape Tone and Sat Out
• CPU load bar and compressor gain-reduction meters
• Overdub recording fix
• Theme editor with 18 presets and live screen previews
• Browser patcher (GitHub Pages) and command-line patcher
• Emulator, host-DSP and patcher tests; CI checks and Pages deploy

Parts adapted from BlueLex by lexnels; see NOTICE.md.