feat: metadata and logos for sSOL, SONIC, and USD* (#532)

### Description

- Adding metadata.json (adapted from the existing tokens on Solana) for
sSOL, SONIC, and USD*
- Required by Sonic SVM

### Backward compatibility

<!--
Are these changes backward compatible? Note that additions are backwards
compatible.

Yes/No
-->

### Testing

<!--
Have any new metadata configs and deployment addresses been used with
any Hyperlane tooling, such as the CLI?
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.changeset/mean-walls-study.md

@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': minor
+---
+
+Add metadata.json and logos for sSOL, USD\*, and SONIC

deployments/warp_routes/SONIC/metadata.json

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+{
+  "name": "Sonic SVM",
+  "symbol": "SONIC",
+  "description": "SONIC is the official governance and utility token for Sonic SVM. Warp route bridged via Hyperlane.",
+  "image": "https://arweave.net/599UDQd5YAUfesAJCTNZ-4ELWLHX5pbid-ahpoJ-w1A",
+  "website": "https://sonic.game",
+  "attributes": []
+}

deployments/warp_routes/USD*/metadata.json

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+{
+  "name": "USD Star",
+  "symbol": "USD*",
+  "description": "USD Star is the premier LP token of Numéraire, Perena's stableswap. USD* represents fractional ownership of the Seed Pool, which consists of USDC, USDT, and PYUSD. Warp route bridged via Hyperlane.",
+  "image": "https://ipfs.filebase.io/ipfs/QmPA375TeXunjaEQ5agLB7RQWgEpQaU59TD8RmUJxo17Ec"
+}

deployments/warp_routes/sSOL/metadata.json

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+{
+  "name": "Solayer SOL",
+  "symbol": "sSOL",
+  "description": "Solayer SOL. Warp route bridged via Hyperlane.",
+  "image": "https://raw.githubusercontent.com/solayer-labs/token-metadata/main/logo.jpg"
+}