build

Add mafia game to examples #3526

Job	Run time
quint-unit-tests (ubuntu-latest)	46s
quint-unit-tests (macos-latest)	53s
quint-test-generated-up-to-date	1m 5s
quint-unit-tests (windows-latest)	1m 31s
quint-linting	38s
quint-vscode-linting	1m 32s
quint-antlr-grammar	25s
quint-examples-dashboard (ubuntu-latest)	5m 5s
quint-integration-tests (ubuntu-latest)	5m 6s
quint-examples-dashboard (macos-latest)	3m 2s
quint-integration-tests (macos-latest)	4m 8s
quint-vscode-plugin (ubuntu-latest)	3m 22s
quint-integration-tests (windows-latest)	5m 44s
quint-vscode-plugin (macos-latest)	5m 17s
	38m 34s

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