Select all feature in the document list

[nvmadhav]

Is your feature request related to a problem? Please describe.
Currently we don't have option to select all the documents at once. We need to select one after the another. Provide the ability to select all the files / folders in the page
Describe the solution you'd like
Select all feature need to be provided.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[binduwavell]

Please consider both a UI option and a keyboard option.

[DenysVuika]

Document List supports "checkboxes" column and multi-selection, maybe a way to toggle that from the toolbar.

[john-knowles]

Keyboard controls are planned for the next version see https://issues.alfresco.com/jira/browse/ACA-878