* zk-token-sdk: re-organize transcript
* zk-token-sdk: add pod ElGamal group encryption
* zk-token-sdk: add transcript domain separators for sigma proofs
* zk-token-sdk: clean up transfer tx decryption
* zk-token-sdk: resolve encoding issues for transfer
* zk-token-sdk: fix transfer test
* zk-token-sdk: clean up transcript for close account and withdraw instructions
* zk-token-sdk: add transfer with fee instruction
* zk-token-sdk: add transfer with fee instruction
* zk-token-sdk: add pod for cryptographic structs needed for fee
* zk-token-sdk: add pod for fee sigma proof
* zk-token-sdk: fix test for transfer with fee instruction
* zk-token-sdk: add range proof verification for transfer with fee
* zk-token-sdk: add transfer amount decryption for transfer-with-fee
* zk-token-sdk: add proof generation error for instruction
* zk-token-sdk: cargo fmt and clippy
* zk-token-sdk: fix bpf build
