feat: Theming - Spectrum variable mapping and light theme

[bmingles]

Theming - Spectrum variable mapping

resolves #1669

resolves #1539

[codecov]

Codecov Report

Attention: 18 lines in your changes are missing coverage. Please review.

Comparison is base (73e0b65) 46.67% compared to head (4d45c0c) 46.69%.

Files	Patch %	Lines
.../code-studio/src/styleguide/SpectrumComparison.tsx	75.00%	5 Missing ⚠️
packages/code-studio/src/styleguide/Buttons.tsx	0.00%	2 Missing ⚠️
packages/code-studio/src/styleguide/hooks.ts	50.00%	2 Missing ⚠️
packages/components/src/Button.tsx	50.00%	2 Missing ⚠️
packages/components/src/theme/Logo.tsx	0.00%	2 Missing ⚠️
packages/grid/src/GridRenderer.ts	33.33%	2 Missing ⚠️
...ackages/code-studio/src/styleguide/SamplesMenu.tsx	94.11%	1 Missing ⚠️
packages/code-studio/src/styleguide/Swatch.tsx	0.00%	1 Missing ⚠️
...d-core-plugins/src/linker/LinkerOverlayContent.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1680      +/-   ##
==========================================
+ Coverage   46.67%   46.69%   +0.02%     
==========================================
  Files         606      608       +2     
  Lines       36873    36913      +40     
  Branches     9267     9279      +12     
==========================================
+ Hits        17211    17238      +27     
- Misses      19610    19623      +13     
  Partials       52       52              

Flag	Coverage Δ
unit	46.69% <72.30%> (+0.02%)	⬆️

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