Overhaul feedback systems

[scott-klaytn]

Proposed changes

Add a binary rating system (feelback) while keeping the existing written feedback system (i.e. pushfeedback)

NOTE: "Is this page helpful?" appears at the bottom of every page.

Types of changes

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• Minor Issues and Typos
• Major Content Contribution
• Others

Checklist

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• I have read the CONTRIBUTING GUIDELINES
• 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
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

Related issues

Further comments