fix: mark global/window/document as external globals

[gkatsev]

videojs/videojs-generate-rollup-config#40

[codecov]

Codecov Report

Merging #30 (4172b0e) into main (873b43f) will increase coverage by 0.24%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #30      +/-   ##
==========================================
+ Coverage   87.08%   87.32%   +0.24%     
==========================================
  Files          18       18              
  Lines        1239     1239              
  Branches      334      334              
==========================================
+ Hits         1079     1082       +3     
+ Misses        160      157       -3     

Impacted Files	Coverage Δ
src/resolve-url.js	80.95% <0.00%> (+14.28%)	⬆️

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