Add Aave v4 Core APRs on mainnet

[joaobrunoah]

Adds DeFiLlama APR feeds for the four Aave v4 Core wrapped tokens on mainnet, following the pattern from #2622:

Token	Address	DeFiLlama pool
waCoreUSDC	0x531e90a2376902de8915789fcc1075e3b0c153e7	4ac1a968-68ab-4da8-87e3-8f1e15e3dae2
waCoreUSDT	0x5ec44a70f309854fe04d495cfe1b5da63dd1cc73	517f3a7a-a3b0-4af9-be8e-bcb0fb549744
waCoreGHO	0x58c14a5e061c9bc6926c5b853445290f296c2f7b	71411cad-9bda-49a9-baeb-670f03eee045
waCoreUSDG	0xac2435e3c25e8246870d33ce0a26988a46d5db68	411707d7-0293-4ad3-982d-72125e1f5de7

Verified all four chart endpoints return a live apyBase at $.data[-1:].apyBase, and DeFiLlama pool metadata confirms each pool is the Aave v4 "Core" market on Ethereum for the matching underlying.

🤖 Generated with Claude Code

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