Update storybook-router description in the addon gallery.

[gvaldambrini]

No description provided.

[codecov]

Codecov Report

Merging #1991 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1991   +/-   ##
=======================================
  Coverage   21.38%   21.38%           
=======================================
  Files         262      262           
  Lines        5757     5757           
  Branches      688      699   +11     
=======================================
  Hits         1231     1231           
+ Misses       3996     3994    -2     
- Partials      530      532    +2

Impacted Files	Coverage Δ
addons/knobs/src/components/types/Boolean.js	11.62% <0%> (ø)	⬆️
...s/left_panel/stories_tree/tree_decorators_utils.js	45.23% <0%> (ø)	⬆️
lib/ui/src/modules/ui/containers/left_panel.js	25.71% <0%> (ø)	⬆️
app/react-native/src/bin/storybook-build.js	0% <0%> (ø)	⬆️
addons/knobs/src/components/types/Select.js	7.93% <0%> (ø)	⬆️
addons/info/src/components/PropVal.js	41.41% <0%> (ø)	⬆️
addons/info/src/components/PropTable.js	21% <0%> (ø)	⬆️
lib/ui/src/modules/ui/routes.js	0% <0%> (ø)	⬆️
addons/knobs/src/components/PropField.js	10.86% <0%> (ø)	⬆️
addons/storyshots/src/require_context.js	0% <0%> (ø)	⬆️
... and 16 more

---

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 81152d5...f107b02. Read the comment docs.

[Hypnosphi]

LGTM