chore: Add Usual USD0++ in defillama yield server (#1627)

* chore: initial commit for Usual in defillama yield server

* fix: scale apy to the hundred scale

* fix: project slug

src/adaptors/usual-money/index.js

@@ -0,0 +1,43 @@
+const sdk = require('@defillama/sdk');
+const axios = require('axios');
+const utils = require('../utils');
+
+const usd0PP = '0x35D8949372D46B7a3D5A56006AE77B215fc69bC0';
+const usd0   = '0x73A15FeD60Bf67631dC6cd7Bc5B6e8da8190aCF5';
+const usual  = '0xC4441c2BE5d8fA8126822B9929CA0b81Ea0DE38E';
+
+const symbol = 'USD0++';
+
+const baseURLRewardRate = 'https://app.usual.money/api/rewards/rates/';
+const baseURLLlamaPrice = 'https://coins.llama.fi/prices/current/';
+const scalarOne = 1e18;
+
+const apy = async () => {
+	const totalSupply = 
+		( await sdk.api.abi.call({
+			target: usd0PP,
+			abi: 'erc20:totalSupply',
+		})
+		).output / scalarOne;
+	const priceKey = `ethereum:${usd0PP}`;
+	const price = (await axios.get(`${baseURLLlamaPrice}${priceKey}` )).data.coins[priceKey].price;
+	const tvlUsd = totalSupply * price;
+	const reward = (await axios.get(`${baseURLRewardRate}${symbol}`)).data.rewards.find((e) => usual.toLowerCase() == e.rewardToken.toLowerCase());
+	const apyBase = utils.aprToApy(reward.apr, 52) * 100;
+	return [{
+		pool: usd0PP,
+		chain: 'Ethereum',
+		project: 'usual-money',
+		symbol: 'USD0++',
+		tvlUsd,
+		apyBase, 
+		rewardTokens: [usual],
+		underlyingTokens: [usd0],
+		},
+	];
+}
+
+module.exports = {
+	apy,
+	url: 'https://app.usual.money/swap?action=stake',
+};