Add MIDIUSB-compatible library #3090

Job	Run time
Windows	3m 31s
Build PlatformIO Examples	3m 19s
Mac (macOS-14)	2m 24s
Mac (macOS-15-intel)	4m 37s
Spelling, Style, Boards, Package, PIO	3m 8s
Build TinyUSB Examples	4m 7s
Build 0	3m 18s
Build 3	4m 27s
Build 1	4m 12s
Build 4	4m 27s
Build 5	1s
Build 2	1s
Build Every Variant 1	6m 20s
Build Every Variant 0	6m 10s
Build RP2350 0	5m 56s
Build Every Variant 3	4m 49s
Build RP2350 3	3m 48s
Build RP2350 4	3m 49s
Build RP2350 2	6m 2s
Build Every Variant 2	4m 46s
Build RP2350-RISCV 0	2m 36s
Build RP2350-RISCV 3	3m 55s
Build RP2350-RISCV 1	1m 50s
Build RP2350 5	3m 45s
Build RP2350-RISCV 5	3m 9s
Build RP2350 1	3m 33s
Build RP2350-RISCV 2	2m 6s
Build RP2350-RISCV 4	2m 11s
	1h 42m 17s

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