feat: Add double-arrow icon

[jletey]

Closes #559

[codecov]

Codecov Report

Merging #641 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #641   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           5      5           
  Lines          34     34           
  Branches        3      3           
=====================================
  Hits           34     34

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[mittalyashu]

The size of the arrow is too big.

Can you decrease the size of those arrows, like this #580?

Also, shouldn't there be 2px of spacing?

[locness3]

Also, shouldn't there be 2px of spacing?

Not necessarily

[jletey]

@mittalyashu Done!