* feat: add support for batch requests
* feat: get confirmed transactions batch
* feat: test get parsed confirmed transactions
* fix: run prettier
* fix: test uses one signature
* fix: fix docs and return type on ParsedConfirmedTransactions
* fix: null values in test
BREAKING CHANGE: Removed binaries solana-localnet and solana-bpf-sdk-install.
Please install the Solana CLI tools to download the BPF SDK and to
install the solana-test-validator binary intead.
