feat(demo): add page to demo components [no ci]

[joshuagraber]

Resolves #68
While I was here, I also made changes to resolve #49

To test:

1. Pull branch
2. Run npm i
3. Run npm run dev
4. Navigate to localhost:8888 to view component demo page

[joshuagraber]

Hey @vikramrojo here's the work to create a demo page for the components.

Let me know if you have any questions around running this locally, or if there's anything else that might be helpful for you here.

[vikramrojo]

This is super helpful and exactly what I need to build out the base figma tokens/components.

[joshuagraber]

That's great to hear, merging to main and beta now, and I'll keep it updated as we add new components.