Create example events

[ChristophWurst]

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

As a new Nextcloud Calendar user I might benefit from seeing some example content in all apps.

Describe the solution you'd like

Put an example event in my calendar the first time I'm logging in. The event shall show in the dashboard and when I open the Calendar app.

Summary: Example event - open me!

Description:

Welcome to Nextcloud Calendar!

This is a sample event - explore the flexibility of planning with Nextcloud Calendar by making any edits you want!

With Nextcloud Calendar, you can:

• Create, edit, and manage events effortlessly.
• Create multiple calendars and share them with teammates, friends, or family.
• Check availability and display your busy times to others.
• Seamlessly integrate with apps and devices via CalDAV.
• Customize your experience: schedule recurring events, adjust notifications and other settings.

Describe alternatives you've considered

N/a

Additional context

Related to nextcloud/contacts#4289

[ChristophWurst]

The example data has changed slightly. There will be three events instead of one most likely. I'm awaiting @jancborchardt's approval.

[tcitworld]

the first time I'm logging in

Note : If they are created on first login, they will be shown on the dashboard, but if the user doesn't click on them or opens the calendar within a month (or less, depending on the view), they won't be shown anymore when opening the calendar.

[ChristophWurst]

• To do @jancborchardt @nimishavijay: Look into possible ways for admins to influence the example contents. Allow them to personalize the created event(s) for their user base. Evaluate if event data should be static or start/end times should be relative to the user's first login time.