Build

Add neoplay and snake. #505

Job	Run time
aarch64-apple-darwin-library	22s
embedded-binaries (thumbv6m-none-eabi, 0x0802_0000)	31s
x64_64-unknown-linux-gnu-library	20s
embedded-binaries (thumbv6m-none-eabi, 0x1002_0000)	28s
x86_64-pc-windows-msvc-library	1m 24s
embedded-binaries (thumbv7em-none-eabi, 0x0802_0000)	27s
embedded-binaries (thumbv7em-none-eabi, 0x1002_0000)	31s
run-tests	18s
embedded-binaries (thumbv8m.main-none-eabi, 0x0802_0000)	28s
embedded-binaries (thumbv8m.main-none-eabi, 0x1002_0000)	27s
preview-release	5s
release	0s
	5m 21s

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