D850: hgweb: add HTML elements to control whitespace settings for annotate

[simpkins (Adam Simpkins)]

simpkins accepted this revision.
simpkins added a comment.


  Looks fine to me, but I'm no HTML/JS expert.
  dogscience <https://phab.mercurial-scm.org/file/data/csra54yjh7bdpxtef55w/PHID-FILE-qg5u6xtaktysnpjtgg76/dogscience.jpg>

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D850

To: indygreg, #hg-reviewers, simpkins
Cc: simpkins, mercurial-devel