add dark mode option to skaffold website

[gsquared94]

Was wondering how to add dark mode to our docs website. WDYT? 🤷🏾‍♂️

link: http://34.94.21.130:1313

[container-tools-bot]

Please visit http://34.94.21.130:1313 to view changes to the docs.

[codecov]

Codecov Report

Merging #5364 (ccdffd1) into master (7af9979) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5364      +/-   ##
==========================================
- Coverage   71.61%   71.60%   -0.01%     
==========================================
  Files         394      394              
  Lines       14305    14305              
==========================================
- Hits        10244    10243       -1     
- Misses       3307     3308       +1     
  Partials      754      754              

Impacted Files	Coverage Δ
pkg/skaffold/util/tar.go	50.66% <0.00%> (-5.34%)	⬇️
pkg/skaffold/docker/image.go	79.53% <0.00%> (+1.39%)	⬆️

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[MarlonGamez]

Looks cool, although I'm having some weird issues where things take a second to render when scrolling in dark mode. This doesn't seem to happen in light mode

[briandealwis]

I see a lot of flicker/lag too. I'm leaning towards 👎 for now.

[briandealwis]

There's an open request on docsy: google/docsy#331