feat(report): v2.0 Release

- Following Changes:
   * [Gas Fee Speed Definitions](#gas-fee-speed-definitions)
   * [Gas Reporting Table Format](#gas-reporting-table-format)
   * [Gas Snapshot Format](#gas-snapshot-format)
      + [JSON-Schema definition](#json-schema-definition)
      + [gas-snapshot](#gas-snapshot)
         - [Example output](#example-output)
   * [eth_maxPriorityFeePerGas](#eth_maxpriorityfeepergas)
      + [Definition](#definition)
      + [Calculating the current maximum priority fee per gas](#calculating-the-current-maximum-priority-fee-per-gas)
      + [Go-Ethereum Calculation ](#go-ethereum-calculation)
   * [eth_feeHistory](#eth_feehistory)