[Docs] Create an example page that uses every theme color

[leecalcote]

Current State

Use each of these - https://github.com/layer5io/sistent/blob/master/src/theme/palette.ts

Desired State

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Contributor Guides and Resources

• 📚 Instructions for contributing to documentation
  • Meshery documentation site and source
• 🛠 Meshery Build & Release Strategy
• 🎨Wireframes and designs for Sistent site in Figma (open invite)
• 🙋🏾🙋🏼 Questions: Layer5 Discussion Forum and Layer5 Community Slack