feat: Support API3 oracle feeds

[starksama]

Summary

Support parsing API3 data feed oracles in Monarch.

Docs: https://docs.api3.org/dapps/

Scope

• Update oracles project to parse API3 feed data
• Update monarch-frontend to support API3 feed type
• Add to supported oracle types list

Priority

Lender features > Borrower features (per framework)

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Related to: Sentinels signal monitoring (needs diverse oracle support)

[antoncoding]

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mainnet
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hyperevm