Add list views per week and month

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Translation of buttons for list views

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Show location in list views when available

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Remove unneeded code per https://github.com/nextcloud/calendar/pull/2476#discussion_r479793226



Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Fix location, parent class changed

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Show start of description in list views, if available.

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Add start of description if available in list view

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>

Remove week list view

Signed-off-by: Jean-Guilhem Rouel <jean-gui@w3.org>