Rename project to Mobilizon

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/export/icalendar.ex

@@ -0,0 +1,23 @@
+defmodule Mobilizon.Export.ICalendar do
+  @moduledoc """
+  Export an event to iCalendar format
+  """
+
+  alias Mobilizon.Events.Event
+
+  @spec export_event(%Event{}) :: String
+  def export_event(%Event{} = event) do
+    events = [
+      %ICalendar.Event{
+        summary: event.title,
+        dtstart: event.begins_on,
+        dtend: event.ends_on,
+        description: event.description,
+        uid: event.uuid
+      }
+    ]
+
+    %ICalendar{events: events}
+    |> ICalendar.to_ics()
+  end
+end