Added support for inactivity prompt

[Blackbaud-PaulCrowder]

No description provided.

[codecov-io]

Codecov Report

Merging #41 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #41   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           9     10    +1     
  Lines         401    479   +78     
  Branches       62     73   +11     
=====================================
+ Hits          401    479   +78

Impacted Files	Coverage Δ
src/shared/csrf-xhr.ts	100% <ø> (ø)	⬆️
src/omnibar/omnibar-user-activity.ts	100% <100%> (ø)	⬆️
src/omnibar/omnibar-experimental.ts	100% <100%> (ø)	⬆️
src/omnibar/omnibar-user-activity-processor.ts	100% <100%> (ø)
src/auth/auth.ts	100% <100%> (ø)	⬆️
src/shared/navigator.ts	100% <100%> (ø)	⬆️

---

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 5b128d4...ce6e367. Read the comment docs.