File List feature

[PVince81]

Ticket to track requirements and progress on the file list feature.
A task is done when the file list was wired up already to the APIs (no dummy)

• list files
• file actions: see File actions API #149
• delete single file
• delete multiple files
• select/deselct multiple files for bulk actions
• select/deselct all files for bulk actions
• rename single file
• create new folder
• create new file (TODO: ticket for extensibility of file formats like text editor, etc, like NewFileMenu in core) Create new file + extension point #274
• move selected entries to subfolder with drag and drop
• drag to breadcrumb to move to parent folder
• breadcrumbs
• file download
• file upload (with and without chunking) File uploads with chunking and resumable #67
• progress bar for operations Progress / spinner for all file operations #275
• spinners / state for all operations Progress / spinner for all file operations #275
• sidebar (to be tracked in detail in a separate ticket)

@OshanIvantha @felixheidecke please update accordingly and link to tickets and PRs

[PVince81]

#275