Add scrypto toolchain install shell scripts #14057

Job	Run time
Check code format	51s
Run SBOR unit tests	1m 34s
Run Radix Engine Toolkit tests	4m 26s
Run SBOR integration tests	1m 53s
Run Scrypto compiler tests	28m 38s
Run Scrypto derive tests	2m 50s
Run Scrypto tests	10m 39s
Run Radix Engine benchmarks	28m 6s
Run Radix Engine build (ubuntu-16-cores-selfhosted)	21m 44s
Run Radix Engine tests (no_std)	14m 43s
Run Radix Engine tests (release)	14m 41s
Run Radix Engine tests	18m 49s
Check Scrypto Stubs	11m 35s
Run Scrypto examples	17m 7s
Run CLI tests (ubuntu-16-cores-selfhosted)	12m 31s
Run CLI tests (scrypto) (ubuntu-16-cores-selfhosted)	11m 5s
Run Radix Engine common benchmarks	2m 52s
Run transaction tests	2m 47s
Run CLI tests (scrypto) (windows-16-cores-selfhosted)	15m 56s
Run CLI tests (windows-16-cores-selfhosted)	15m 5s
Run CLI tests (scrypto) (macos-latest)	16m 58s
Run transaction scenarios	5m 41s
Run cargo check (ubuntu-16-cores-selfhosted)	4m 30s
Run cargo check with post run db check (ubuntu-16-cores-selfhosted)	4m 34s
Run determinism test	14m 1s
Run CLI tests (scrypto coverage)	10m 59s
phylum-analyze / Analyze dependencies with Phylum	36s
	4h 55m 11s

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