Add Overseerr (#36560)

* Add Overseerr

* Add Overseerr

* Add Overseerr

source/_integrations/overseerr.markdown

@@ -0,0 +1,36 @@
+---
+title: Overseerr
+description: Instructions on how to set up Overseerr with Home Assistant.
+ha_category:
+  - Sensor
+ha_release: 2025.2
+ha_iot_class: Local Polling
+ha_config_flow: true
+ha_codeowners:
+  - '@joostlek'
+ha_domain: overseerr
+ha_integration_type: service
+ha_platforms:
+  - sensor
+---
+
+Overseerr is a service that allows you to manage media requests and to integrate those with Plex, Radarr and Sonarr. The **Overseerr** {% term integration %} allows you to see statistics of your [Overseerr](https://overseerr.dev/) instance.
+
+{% include integrations/config_flow.md %}
+
+{% configuration_basic %}
+URL:
+    description: "The URL of your overseerr instance."
+    required: true
+    type: string
+API key:
+    description: "The API key of your overseerr instance, which can be found in the Overseerr settings."
+    required: true
+    type: string
+{% endconfiguration_basic %}
+
+## Remove integration
+
+This integration follows standard integration removal, no extra steps are required.
+
+{% include integrations/remove_device_service.md %}