Prop 230: Trade and Earn rewards allocation

Summary
This proposal defines the rewards allocation of Trade & Earn from epoch 80 to epoch 87, which ends on 12 July 2023 (UTC).
Background
The Trade & Earn rewards program was approved by the Injective community to help support the trading volume of Injective and the growth of the exchange dApps built on Injective.
Proposal
This proposal, if approved, will extend Trade & Earn rewards for another 8 weeks. The following is the breakdown of the rewards:
- Epoch 80 - 2,341 INJ
- Epoch 81 - 2,328 INJ
- Epoch 82 - 2,315 INJ
- Epoch 83 - 2,302 INJ
- Epoch 84 - 2,290 INJ
- Epoch 85 - 2,277 INJ
- Epoch 86 - 2,264 INJ
- Epoch 87 - 2,251 INJ