Add prometheus client & seq metrics & Block/Batch Info

[bylingo]

• Add prometheus client and corresponding flags
• Add Sequencer metrics : BatchExecutionTime, PoolTxCount
• Add Block Log and Batch Log for every batch execution

[zjg555543]

Recommit by https://github.com/okx/xlayer-erigon/pull/140

[github-actions[bot]]

This PR is stale because it has been open for 40 days with no activity.