Add aarch64 support #215

Job	Run time
Run tests on GH windows-latest	11m 57s
Lint on ubuntu-latest	2m 20s
Lint on windows-latest	4m 51s
Spell check with typos	4s
Run tests on GH ubuntu-latest	5m 51s
Run tests on HL ubuntu-latest	4m 56s
Run tests on HL windows-latest	8m 20s
	38m 19s

Provide feedback