Add ability for users to report broken links

[greatislander]

Is your feature request related to a problem? Please describe.

Designs included space for users to report a broken link to a resource.

coop-library/resources/views/partials/content-single-lc_resource.blade.php

Lines 85 to 87 in 9f86176

	{{-- <button id="report-broken-link" type="button" class="button">
	<span class="button__label">{{ __('Report broken link', 'coop-library') }}</span>
	</button> --}}

Describe the solution you'd like

This feature should be implemented via a submittable form.

Designs:
Resource page showing "report broken link" borderless button: https://xd.adobe.com/view/6b4de097-f155-4740-4049-6cdb58960adf-1d7c/screen/0cbdeaaa-9695-4689-b0ae-b8ebe72d2787
Report broken link page: https://xd.adobe.com/view/6b4de097-f155-4740-4049-6cdb58960adf-1d7c/screen/155835ee-04ce-4838-988b-fd1c31fc1d67
Success notification: https://xd.adobe.com/view/6b4de097-f155-4740-4049-6cdb58960adf-1d7c/screen/d1f09747-50f3-45dc-a0b0-91668ffcf14e

Describe alternatives you've considered

Not applicable.

Additional context

Not applicable.