Add documentation for Starlink (#23993)

Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Franck Nijhof <frenck@frenck.nl>

source/_integrations/starlink.markdown

@@ -0,0 +1,32 @@
+---
+title: Starlink
+description: Instructions on how to integrate Starlink into Home Assistant.
+ha_category:
+  - Sensor
+ha_release: 2023.2
+ha_iot_class: Local Polling
+ha_config_flow: true
+ha_codeowners:
+  - '@boswelja'
+ha_domain: starlink
+ha_platforms:
+  - sensor
+ha_integration_type: integration
+---
+
+The Starlink integration allows you to integrate your [Starlink](https://www.starlink.com/) into Home Assistant.
+
+**Important:** Your Starlink must **not** be in bypass mode. In this mode, the local API is unavailable, and this integration will not work.
+
+{% include integrations/config_flow.md %}
+
+### Sensor
+
+The following sensors are added for each Starlink system:
+
+- Ping - The ping that Starlink has measured, in ms
+- Azimuth - The direction Dishy is facing in degrees
+- Elevation - Dishy's current elevation in degrees
+- Uplink throughput - The amount of data being uploaded through Starlink in Mbit/s
+- Downlink throughput - The amount of data being downloaded through Starlink in Mbit/s
+- Last boot time - The time Starlink was last turned on