Add two Aave endpoints to get reserve data and reserve token addresses

[tmcollins4]

Description

Added two new endpoints to get reserve data and reserve token addresses from Aave.

Changelog

• Added AaveReserveData and AaveReserveTokensAddresses interfaces in packages/bitcore-node/src/providers/chain-state/evm/api/aave.ts.
• Added /api/:chain/:network/aave/reserve/:asset endpoint; returns currentVariableBorrowRate.
• Added /api/:chain/:network/aave/reserve-tokens/:asset endpoint; returns variableDebtTokenAddress.
• Added CSP methods getAaveReserveData and getAaveReserveTokensAddresses.
• Added unit tests for both methods covering v2 and v3.
• Added integration tests for both endpoints covering v2 (mainnet RPC), v3 (sepolia), and 400 error cases.

Testing Notes

I made a script to call both endpoints across multiple chains/versions with USDC addresses.

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Checklist

• I have read CONTRIBUTING.md and verified that this PR follows the guidelines and requirements outlined in it.
• I have added the appropriate package tag(s) (e.g. BWC if modifying the bitcore-wallet-client package, CLI if modifying the bitcore-cli package, etc.)
• I have verified that this is not an existing PR (open or closed)