Fixed the chrome windows datagrid bug

issue: A24Group/Triage#2536
Merge pull request #189 from A24Group/feature-spinner-component-3322

Added spinner component for the dynamic form
Merge pull request #187 from A24Group/update-windows-chrome-datagrid-bug

Fixed the chrome windows datagrid bug
Merge remote-tracking branch 'upstream/master' into feature-staffing-shift-component-3296
Added test cases for the shift date component
Added shift date input field.(The DateComponent that can be added to the dynamic form)
Added readme

A24group/Triage#3296