Add scrypto toolchain install shell scripts #14133

Job	Run time
Run SBOR unit tests	1m 34s
Run Radix Engine Toolkit tests	4m 20s
Check code format	46s
Run SBOR integration tests	1m 45s
Run Scrypto derive tests	2m 43s
Run Scrypto tests	8m 53s
Run Radix Engine benchmarks	27m 46s
Run Radix Engine build (ubuntu-16-cores-selfhosted)	21m 0s
Run Radix Engine tests	18m 36s
Run Scrypto compiler tests	29m 18s
Run Scrypto examples	15m 53s
Check Scrypto Stubs	11m 28s
Run cargo check (ubuntu-16-cores-selfhosted)	4m 31s
Run cargo check with post run db check (ubuntu-16-cores-selfhosted)	4m 37s
Run determinism test	14m 21s
Run CLI tests (ubuntu-16-cores-selfhosted)	12m 39s
Run CLI tests (scrypto) (ubuntu-16-cores-selfhosted)	11m 16s
Run CLI tests (windows-16-cores-selfhosted)	15m 26s
Run CLI tests (scrypto coverage)	10m 53s
Run CLI tests (scrypto) (windows-16-cores-selfhosted)	16m 45s
Run CLI tests (scrypto) (macos-latest)	14m 19s
Run Radix Engine common benchmarks	2m 47s
Run Radix Engine tests (no_std)	14m 22s
Run Radix Engine tests (release)	14m 38s
Run transaction tests	2m 54s
Run transaction scenarios	6m 8s
phylum-analyze / Analyze dependencies with Phylum	38s
	4h 50m 16s

Provide feedback