Rust

Add zk-nullifier example and reorganize zk/ folder #129

Job	Run time
counter/pinocchio	1m 28s
zk/zk-nullifier	2m 4s
basic-operations/native/native-program-close	1m 31s
basic-operations/native/native-program-create	1m 24s
basic-operations/native/native-program-reinit	1m 28s
basic-operations/native/native-program-burn	1m 18s
create-and-update	1m 25s
account-comparison	1m 16s
zk/zk-id	2m 0s
counter/native	1m 21s
basic-operations/native/native-program-update	1m 26s
airdrop-implementations/simple-claim/program	2m 3s
	18m 44s

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