Feature: Added agenda view for calendar, calendar improvements (#2216)

* Feature: Added agenda view for calendar, calendar improvements

* Fix duplicate event keys

* Additional hover on title, not date

* Show date once in list

* Rename monthly view for consistency

* Remove unneeded key props

* CSS cleanup, dont slice title to arbitrary 42 chars which can break column layouts

* Simplify agenda components

* Fix show date once in list

---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

docs/widgets/services/calendar.md

@@ -3,6 +3,8 @@ title: Calendar
 description: Calendar widget
 ---
 
+## Monthly view
+
 <img alt="calendar" src="https://user-images.githubusercontent.com/5442891/271131282-6767a3ea-573e-4005-aeb9-6e14ee01e845.png">
 
 This widget shows monthly calendar, with optional integrations to show events from supported widgets.
@@ -11,6 +13,8 @@ This widget shows monthly calendar, with optional integrations to show events fr
 widget:
   type: calendar
   firstDayInWeek: sunday # optional - defaults to monday
+  view: monthly # optional - possible values monthly, agenda
+  maxEvents: 10 # optional - defaults to 10
   integrations: # optional
     - type: sonarr # active widget type that is currently enabled on homepage - possible values: radarr, sonarr, lidarr, readarr
       service_group: Media # group name where widget exists
@@ -20,6 +24,20 @@ widget:
         unmonitored: true # optional - defaults to false, used with *arr stack
 ```
 
+## Agenda
+
+This view shows only list of events from configured integrations
+
+```yaml
+widget:
+  type: calendar
+  view: agenda
+  maxEvents: 10 # optional - defaults to 10
+  integrations: # same as in Monthly view example
+```
+
+## Integrations
+
 Currently integrated widgets are [sonarr](sonarr.md), [radarr](radarr.md), [lidarr](lidarr.md) and [readarr](readarr.md).
 
 Supported colors can be found on [color palette](../../configs/settings.md#color-palette).