New instructions for Nextcloud Snap (#345) #719

Job	Run time
check	46s
test-client-check	27s
matrix	45s
test-client-matrix	33s
Check MSRV	21s
tests	31s
clippy	28s
test-client-clippy	26s
build (x86_64-unknown-linux-musl)	1m 4s
build (i686-unknown-linux-musl)	1m 2s
build (armv7-unknown-linux-musleabihf)	1m 6s
build (aarch64-unknown-linux-musl)	1m 26s
build (x86_64-unknown-freebsd)	57s
Build test client (x86_64-unknown-linux-musl)	52s
Build test client (i686-unknown-linux-musl)	1m 12s
Build test client (armv7-unknown-linux-musleabihf)	44s
Build test client (aarch64-unknown-linux-musl)	56s
Build test client (x86_64-unknown-freebsd)	42s
Build test client (.exe, x86_64-pc-windows-gnu)	59s
Package nightly release	48s
	16m 5s

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