Add scrypto toolchain install shell scripts #14136

Job	Run time
Check code format	40s
Run SBOR integration tests	1m 46s
Run SBOR unit tests	1m 43s
Run Scrypto tests	8m 58s
Run Radix Engine Toolkit tests	4m 19s
Run Scrypto compiler tests	28m 52s
Run Scrypto derive tests	2m 55s
Run Scrypto examples	16m 16s
Check Scrypto Stubs	11m 29s
Run CLI tests (ubuntu-16-cores-selfhosted)	12m 24s
Run Radix Engine common benchmarks	2m 47s
Run Radix Engine benchmarks	27m 33s
Run CLI tests (windows-16-cores-selfhosted)	15m 16s
Run Radix Engine build (ubuntu-16-cores-selfhosted)	21m 41s
Run Radix Engine tests (no_std)	14m 41s
Run Radix Engine tests	18m 28s
Run transaction tests	2m 59s
Run Radix Engine tests (release)	14m 44s
Run transaction scenarios	5m 44s
Run cargo check (ubuntu-16-cores-selfhosted)	4m 44s
Run cargo check with post run db check (ubuntu-16-cores-selfhosted)	4m 37s
Run determinism test	14m 12s
Run CLI tests (scrypto) (ubuntu-16-cores-selfhosted)	11m 18s
Run CLI tests (scrypto coverage)	10m 57s
Run CLI tests (scrypto) (windows-16-cores-selfhosted)	16m 27s
Run CLI tests (scrypto) (macos-latest)	17m 6s
phylum-analyze / Analyze dependencies with Phylum	37s
	4h 53m 13s

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