Update bullets, removing SDK wallets

[laurencedelisle]

Description

Changing order of offerings and adding themability to the top, removed SDK wallet list that was out of date & reference to subpages instead.

PLEASE NOTE- Checklist must be complete prior to review.

Checklist

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

Docs Checklist

• Include a screenshot of any changes (see docs README on running locally)
• [x ] Add/update the appropriate package README (if applicable)
• [ x] Add/update the related module in the docs demo (if applicable)
• [x ] Add/update the related package in the docs/package.json file (if applicable)

[leightkt]

looks good!