Control panel for simulations

[lemniscate8]

• Add a Button group from Bootstrap
• Add a toggle button group that is double click safe
  • Can configure as a cassette style or play/pause style button
  • Can gray out inactive state for stronger visual indication
• Add a control panel
  • Interface for adding buttons
  • Support different call rates to an simulation (function to run) and viewports (components to redraw)

[codecov[bot]]

Codecov Report

Merging #443 (414e349) into master (08c913f) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #443      +/-   ##
==========================================
+ Coverage   82.96%   82.97%   +0.01%     
==========================================
  Files         304      306       +2     
  Lines       37341    37393      +52     
==========================================
+ Hits        30979    31028      +49     
- Misses       6362     6365       +3     

Impacted Files	Coverage Δ
include/emp/web/Div.hpp	71.50% <ø> (ø)
include/emp/datastructs/DisjointVariant.hpp	100.00% <100.00%> (ø)
include/emp/prefab/ToggleSwitch.hpp	100.00% <100.00%> (ø)
include/emp/web/Input.hpp	41.13% <100.00%> (ø)
tests/datastructs/DisjointVariant.cpp	100.00% <100.00%> (ø)
include/emp/Evolve/World_select.hpp	96.01% <0.00%> (-0.40%)	:arrow_down:
include/emp/Evolve/World.hpp	96.44% <0.00%> (-0.31%)	:arrow_down:

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