docs: Demo page formatting (#1221)

* docs: Update asset naming

* docs: Update docs

* docs: Update packages to point to preview files

* docs: Update demo pages

* docs: Screenshots

* docs: Updated baselines

* docs: hardcode size to prevent giant images

* docs: add additional images

* docs: Update brand assets

* docs: Update scripts to support new build

* docs: Comment out updates not in this PR for storybook

* docs: Update package scripts

* docs: Revert sass dependency change

* docs: Update baselines

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