Implement new data layer library into Kwenta

[jcmonte]

Summary

Implement L2 subgraphs data for rates and market data on l2 Kwenta

Dev Tasks

• Update historical exchange rates with L2 subgraph data
• Update market data with L2 subgraph data
• Update transaction history (kovan) with L2 subgraph data
• Await final release of data library for integration

QA

https://kwenta-g1exe30le-synthetixio.vercel.app/

• Verify that rates work on L1
• Verify that there are no rates on L2
• Verify that there is volume data on L1
• Verify that there is L2 volume data on L2
• Verify that there are transaction histories on L1
• Verify that there are no transaction histories on L2