fix: add back nvd3 missing css

[ktmud]

🐛 Bug Fix

nvd3 css was deleted by accident in #768

[vercel]

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[codecov]

Codecov Report

Merging #776 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #776   +/-   ##
=======================================
  Coverage   24.89%   24.89%           
=======================================
  Files         353      353           
  Lines        7837     7837           
  Branches     1009     1009           
=======================================
  Hits         1951     1951           
  Misses       5783     5783           
  Partials      103      103           

Impacted Files	Coverage Δ
plugins/legacy-preset-chart-nvd3/src/NVD3Vis.js	0.00% <ø> (ø)

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