A Divider component for client apps

[kevmodrome]

Description

Adds a Divider component to the builder. Uses Spectrum and works with theming.

Screenshots

[codecov-commenter]

Codecov Report

Merging #2208 (67da593) into develop (eda14f0) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #2208   +/-   ##
========================================
  Coverage    75.22%   75.22%           
========================================
  Files          112      112           
  Lines         3338     3338           
  Branches       463      463           
========================================
  Hits          2511     2511           
  Misses         534      534           
  Partials       293      293           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0cb5284...67da593. Read the comment docs.