Activate custom gates in JS and add rangeCheck64 gadget #2351

Job	Run time
Build-And-Test-Server (Simple integration tests)	25m 28s
Build-And-Test-Server (DEX integration tests)	33m 16s
Build-And-Test-Server (DEX integration test with proofs)	32m 7s
Build-And-Test-Web	8m 1s
Build-And-Test-Server (Voting integration tests)	13m 15s
Build-And-Test-Server (Unit tests)	24m 22s
Build-And-Test-Server (Verification Key Regression Check)	10m 0s
Build-And-Test-Server (CommonJS test)	5m 11s
Release-mina-signer-on-NPM	3m 6s
Release-on-NPM	3m 7s
	2h 37m 53s

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