✨ Implement Post Result Incentive

[mariocao]

✨ Feature

Implement an incentive mechanism to reward users for posting valid results.

Motivation

This feature ensures that users are incentivized to provide accurate and timely results for posted requests. It directly affects the result submission functions.

Implementation

• Add logic to reward users when valid results are posted.
• Verify conditions for result validity before granting incentives.
• Emit relevant events when incentives are distributed.
• Update or extend interfaces if necessary.