feat: Add `appcore-cli` #164

Job	Run time
Check license of dependencies	39s
Check (ubuntu-latest)	1m 33s
Cargo clippy	1m 25s
Cargo fmt	15s
Check (macos-latest)	54s
Check (windows-latest)	2m 16s
Cargo test	1m 47s
Done	0s
Publish	0s
	8m 49s

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