Kamino lending liquidations bot How to run .env file: CLUSTER=<rpc> KEYPAIR=./liquidator.json RUST_BACKTRACE=1 PROGRAM_ID=SLendK7ySfcEzyaFqy93gDnD3RtrpXJcnRwb6zFHJSh RUST_LOG=info LIQUIDATOR_LOOKUP_TABLE_FILE=.lookuptable.rust.mainnet-beta ENV=.env.rust.mainnet-beta cargo run -- crank