adjust for use with quarto

[jverzani]

• adjust HTML to better work with quarto
• add quarto references to docs
• add quarto example file

[codecov]

Codecov Report

Merging #30 (c25dd07) into main (2e6e62b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #30   +/-   ##
=======================================
  Coverage   31.76%   31.76%           
=======================================
  Files           2        2           
  Lines         170      170           
=======================================
  Hits           54       54           
  Misses        116      116           

Impacted Files	Coverage Δ
src/question_types.jl	81.81% <ø> (ø)
src/show_methods.jl	0.00% <ø> (ø)

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