Add Lif3 Wallet Support

[keanlaurens]

Checklist

• Increment the version field in package.json of the package you have made changes in following semantic versioning and using alpha release tagging
• Check the box that allows repo maintainers to update this PR
• Test locally to make sure this feature/fix works
• Run yarn check-all to confirm there are not any associated errors
• Confirm this PR passes Circle CI checks
• Add or update relevant information in the documentation

If this PR includes changes to add an injected wallet or SDK wallet module:

Please complete the following using the internal demo package.
To run this demo use the command yarn && yarn dev to get the project running at http://localhost:8080/

Tests with demo app (injected)

• send transaction
• switch chains
• sign message
• sign typed message
• disconnect

[Adamj1232]

@keanlaurens I added package version changes and the wallet to the docs.
Can you please confirm the checklist within the PR description for this wallet?
Thanks again for contributing to Web3-Onboard!

[keanlaurens]

@Adamj1232 all is complete. Thank you!

[Adamj1232]

Thank you for contributing!