Add scrypto toolchain install shell scripts #14140

Job	Run time
Run SBOR unit tests	1m 32s
Check code format	44s
Run SBOR integration tests	1m 45s
Run Radix Engine Toolkit tests	4m 33s
Run Scrypto compiler tests	28m 53s
Run Scrypto derive tests	2m 52s
Run Scrypto tests	8m 55s
Run cargo check (ubuntu-16-cores-selfhosted)	4m 32s
Run cargo check with post run db check (ubuntu-16-cores-selfhosted)	4m 38s
Run determinism test	14m 16s
Run CLI tests (ubuntu-16-cores-selfhosted)	12m 27s
Run CLI tests (scrypto) (ubuntu-16-cores-selfhosted)	11m 12s
Run CLI tests (scrypto coverage)	10m 42s
Run CLI tests (windows-16-cores-selfhosted)	15m 21s
Run CLI tests (scrypto) (windows-16-cores-selfhosted)	16m 32s
Run Radix Engine common benchmarks	2m 51s
Run CLI tests (scrypto) (macos-latest)	18m 59s
Run Radix Engine benchmarks	27m 47s
Run Radix Engine build (ubuntu-16-cores-selfhosted)	21m 11s
Run Radix Engine tests (no_std)	14m 32s
Run Radix Engine tests (release)	14m 40s
Run Radix Engine tests	19m 1s
Run transaction tests	2m 52s
Run transaction scenarios	5m 35s
Run Scrypto examples	16m 34s
Check Scrypto Stubs	11m 16s
phylum-analyze / Analyze dependencies with Phylum	36s
	4h 54m 48s

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