cmd: Add flags for tx and receipt pruning

[2dvorak]

Proposed changes

• This PR adds flags for enabling tx/receipt pruning and setting their pruning retention
• Actual logics for the pruning will be added in the follow-up PR

Types of changes

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• [ ] Bugfix
• [x] New feature or enhancement
• [ ] Others

Checklist

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• [x] I have read the CONTRIBUTING GUIDELINES doc
• [x] I have read the CLA and signed by comment I have read the CLA Document and I hereby sign the CLA in first time contribute
• [ ] Lint and unit tests pass locally with my changes ($ make test)
• [ ] I have added tests that prove my fix is effective or that my feature works
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• [ ] Any dependent changes have been merged and published in downstream modules

Related issues

none

Further comments