Create calendar.md

docs/widgets/services/calendar.md

@@ -0,0 +1,25 @@
+---
+title: Calendar
+description: Calendar widget
+---
+
+<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.
+
+```yaml
+widget:
+  type: calendar
+  firstDayInWeek: sunday    # optional - defaults to monday
+  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
+      service_name: Sonarr  # service name for that widget
+      color: teal           # optional - defaults to pre-defined color for the service (teal for sonarr)
+      params:               # optional - additional params for the service
+        unmonitored: true   # optional - defaults to false, used with *arr stack
+```
+
+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).