Create 2 new tables to track state and storage values

[ankitchiplunkar]

Types of changes

What types of changes does your code introduce to ether_sql? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Explain your changes

Added 2 new tables to get state and storage at block X, added genesis rewards and verified with parity state exports.

Does this close any currently open issues? https://github.com/analyseether/ether_sql/issues/35 https://github.com/analyseether/ether_sql/issues/25 https://github.com/analyseether/ether_sql/issues/19

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• [x] I have read the CONTRIBUTING doc
• [x] Lint and unit tests pass locally with my changes
• [x] Need to add tests for State, Storage and MetaInfo
• [ ] Verify the state export till block 5M
• [x] I have added necessary documentation (if appropriate)

[ankitchiplunkar]

Have verified the contents of state and storage till block 2M Need to pass the shanghai attacks area, this is causing major problems. Have switched from redis to rabbit MQ because of this: https://github.com/analyseether/ether_sql/issues/42