core: Price Updating - revert history observation

[pajicf]

What does this PR resolve? 🚀

• Cron job for observing reverts
• Storing the revert data to storage
• API route for fetching the revert data

Details 📝

This PR adds functionality to core for listening any reverts happening on-chain.
Cron job is setup to occur every 30 minutes which fetches history through Etherscan. The data is then processed and persisted into redux.
All revert data can be obtained through the new /reverts route.

Checklist ✅

• I've read Contributions section in the README.md document
• I have merged the main branch into my branch and resolved all conflicts
• I have documented the new code
• I have created automated tests for the new code
• I have smoke tested the new code locally
• I have assigned the PR to myself
• I have named the PR correctly