Read iCalendar files and allow to select VEVENT to import as events

[agilare]

Admin page :

1. add input file type field (maybe URL input) and a submit btn
2. after submit show list of VEVENT elements parsed with title, start, end, description, location, URL; each line ends with a checkbox allowing to select events to import; at the end of this list show a submit button going to :

Admin gererEvenements page.
Insert selected events in previous page with the following matches (ladecadanse evement table field = VEVENT tag) :

• titre = SUMMARY
• description = DESCRIPTION
• catégorie = fêtes
• nomLieu = LOCATION
• dateEvenement & horaire_debut = DTSTART
• status = inactif
• icalendar_uid (to add) = UID

Events created appear in list of gererEvenements, available to edit and be published by the user.