The Hook will now listen for click events elsewhere

[WesCossick]

When it detects a click outside of the menu, it will close it.

This also tightens the Puppeteer testing, which may solve #39.

[codecov]

Codecov Report

Merging #51 into master will decrease coverage by 8.3%.
The diff coverage is 27.27%.

@@            Coverage Diff             @@
##           master      #51      +/-   ##
==========================================
- Coverage   87.71%   79.41%   -8.31%     
==========================================
  Files           1        1              
  Lines          57       68      +11     
  Branches       17       20       +3     
==========================================
+ Hits           50       54       +4     
- Misses          7       14       +7

Impacted Files	Coverage Δ
src/use-dropdown-menu.ts	79.41% <27.27%> (-8.31%)	⬇️

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