Add usdh token

[drunken005]

Adding HO USD (USDH) token to the contract metadata.

Official website: https://www.huionepay.com.kh

USDH (Huione USD) is a stable and digital currency issued by Huione Payment，and its value comes from the real assets of Huione and will always be equal to the USD , thus becoming a stable asset. Huione Payment will provide official exchange services and free markets for USDH, USD, and USDT.

Verified contracts: USDH: https://etherscan.io/token/0x51AFEE9C1133fAd23f8cB675B7eE29d2F267c841

Supporting links: Whitepaper: https://huionepay.com.kh/index/USDH Twitter / X: https://x.com/HUIONEUSDH telegram: https://t.me/HUIONEUSDH github: https://github.com/huionepay/usdh

• [x] The icon should be small, square, but high resolution, ideally a vector/svg.
• [x] The address should be in checksum format or it will not be accepted.
• [x] Do not add your entry to the end of the JSON map, messing with the trailing comma. Your pull request should only be an addition of lines, and any line removals should be deliberate deprecations of those logos.
• [x] PR should include link to official project website referencing the suggested address.
• [x] Project website should include explanation of project.
• [x] Project should have clear signs of activity, either traffic on the network, activity on GitHub, or community buzz.
• [x] Nice to have a verified source code on a block explorer like Etherscan.

[huioneusd]

I have completed the update request for the ETH network. How do I apply for the token update request for the BSC network?