Tests

add note about compatibility #66

Job	Run time
code-checks	5s
compile (ubuntu-latest, v3.6-56V, true)	1m 3s
compile (windows-latest, v3.6-56V, true)	2m 48s
compile (macOS-latest, v3.6-56V, true)	2m 58s
compile (ubuntu-latest, v3.2, false)	1m 7s
compile (ubuntu-latest, v3.3, false)	1m 11s
compile (ubuntu-latest, v3.4-24V, false)	1m 15s
compile (ubuntu-latest, v3.4-48V, false)	1m 17s
compile (ubuntu-latest, v3.5-24V, false)	1m 32s
compile (ubuntu-latest, v3.5-48V, false)	1m 7s
compile (ubuntu-latest, v3.6-24V, false)	1m 17s
compile (ubuntu-latest, v3.6-56V, false)	1m 7s
make-release	0s
	16m 47s

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