feat(chain): add ROON Mainnet (chainId 1492) to additional registry

[roonchain-labs]

If you are adding a new RPC, please answer the following questions.

Link the service provider's website (the company/protocol/individual providing the RPC):

Provide a link to your privacy policy:

If the RPC has none of the above and you still think it should be added, please explain why:

Your RPC should always be added at the end of the array.

[roonchain-labs]

• 网络名与官网： ROON Mainnet ， https://roonchain.com
• Explorer： https://browser.roonchain.com/
• RPC： https://rpc.roonchain.com/
• chainId : 1492 ， networkId : 1492
• 兼容特性： EIP155 、 EIP1559
• Native Currency： ROON （ decimals: 18 ）

新增链

[roonchain-labs]

• Link the service provider's website: https://roonchain.com
• Provide a link to your privacy policy: unspecified
• If none of the above and you still think it should be added, please explain why: Official ROON Mainnet RPC, provided by the chain operator for public access; added to extraRpcs for unified display and ranking across Chainlist.
• RPCs are appended to the end of the array: For chainId 1492 , the rpcs array contains only one entry, which is at the end.

[Define101]

add yes