Expand "Step 1" under EVM Localnet Section

https://github.com/opentensor/developer-docs/blob/13024054f20e35073012b0679c415d136c5868b8/docs/evm-tutorials/evm-localnet-with-metamask-wallet.md?plain=1#L21

should add something like after executing this bash script your terminal should display 
```
2025-05-14 21:44:50 Running JSON-RPC server: addr=127.0.0.1:9945,[::1]:9945   
```