Enhancement: Examples/with-ledger

[mahmud-bn]

Description

Adds an example folder with a Next.js project that implements a basic @web3-onboard/ledger support

Checklist

• The version field in package.json is incremented following semantic versioning
• The box that allows repo maintainers to update this PR is checked
• I tested locally to make sure this feature/fix works
• I have run yarn type-check & yarn build to confirm there are not any associated errors
• This PR passes the Circle CI checks

[Adamj1232]

Overall looks good, might have some fun adding some styles/BN logos to the landing page if you want 🤓

[mahmud-bn]

Overall looks good, might have some fun adding some styles/BN logos to the landing page if you want 🤓

I'm not sure we want that across all examples including prettier. I would assume we already have a fancy React Demo for that. What we want, I think, is a set of examples that can be easily forked.
E.g
https://github.com/wagmi-dev/wagmi/tree/main/examples/next
https://github.com/Uniswap/web3-react/tree/main/packages/example-next