Add scrypto toolchain install shell scripts #14138

Job	Run time
Run SBOR integration tests	1m 44s
Check code format	37s
Run SBOR unit tests	1m 48s
Run Scrypto tests	5m 42s
Run Radix Engine build (ubuntu-16-cores-selfhosted)	5m 40s
Run Radix Engine tests (release)	5m 40s
Run Radix Engine tests (no_std)	5m 40s
Run Radix Engine tests	5m 39s
Run Scrypto compiler tests	5m 43s
Run Radix Engine Toolkit tests	4m 16s
Run Scrypto derive tests	3m 0s
Run cargo check (ubuntu-16-cores-selfhosted)	4m 28s
Check Scrypto Stubs	5m 41s
Run Scrypto examples	5m 40s
Run cargo check with post run db check (ubuntu-16-cores-selfhosted)	4m 28s
Run determinism test	5m 39s
Run CLI tests (ubuntu-16-cores-selfhosted)	5m 45s
Run CLI tests (windows-16-cores-selfhosted)	45s
Run CLI tests (scrypto) (ubuntu-16-cores-selfhosted)	5m 45s
Run CLI tests (scrypto coverage)	5m 44s
Run CLI tests (scrypto) (windows-16-cores-selfhosted)	40s
Run Radix Engine common benchmarks	2m 48s
Run CLI tests (scrypto) (macos-latest)	5m 43s
Run Radix Engine benchmarks	5m 42s
Run transaction tests	2m 57s
Run transaction scenarios	5m 42s
phylum-analyze / Analyze dependencies with Phylum	39s
	1h 53m 35s

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