add workflow to build all Rust apps for every PR #109

Job	Run time
Check code formatting	1m 16s
Run static analysis (nanos, include_gif)	1m 21s
Build SDK (nanos)	2m 5s
Run static analysis (nanos, testmacro)	1m 19s
Run static analysis for cargo-ledger	1m 37s
Build SDK (nanox)	2m 9s
Run static analysis (nanos, ledger_secure_sdk_sys)	1m 54s
Build SDK (nanosplus)	2m 3s
Run static analysis (nanos, ledger_device_sdk)	2m 2s
Run static analysis (nanox, include_gif)	1m 28s
Build SDK	1m 41s
Run static analysis (nanox, testmacro)	1m 35s
Run static analysis (nanox, ledger_secure_sdk_sys)	1m 58s
Run unit and integration tests (nanos)	2m 42s
Run static analysis (nanox, ledger_device_sdk)	2m 7s
Run unit and integration tests (nanox)	2m 38s
Run unit and integration tests (nanosplus)	2m 35s
Run static analysis (nanosplus, include_gif)	1m 19s
Run static analysis (nanosplus, testmacro)	1m 29s
Run static analysis (nanosplus, ledger_secure_sdk_sys)	1m 57s
Run static analysis (nanosplus, ledger_device_sdk)	2m 10s
	39m 25s

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