Add LinkPlay integration documentation (#32000)

* Add linkplay doc

* Add ArtSound docs

* Remove ArtSound docs

* Remove SSDP mention, add newline

* Remove ha_ssdp, add ha_release

* Update source/_integrations/linkplay.md

Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>

---------

Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>

source/_integrations/linkplay.md

@@ -0,0 +1,21 @@
+---
+title: LinkPlay
+description: Connect and control your LinkPlay media players using the LinkPlay integration
+ha_category:
+  - Media player
+ha_domain: linkplay
+ha_zeroconf: true
+ha_integration_type: integration
+ha_release: 2024.8
+ha_codeowners:
+  - '@Velleman'
+ha_config_flow: true
+ha_platforms:
+  - media_player
+ha_iot_class: Local Polling
+ha_dhcp: true
+---
+
+The LinkPlay {% term integrations %} for Home Assistant allows you to control various media players based on the LinkPlay protocol. The integration supports auto-discovery on your local network through [Zeroconf](/integrations/zeroconf).
+
+{% include integrations/supported_brand.md %}