Add Freebox Home alarm panel (#29487)

* Update freebox.markdown

Add Freebox Alarm Control Panel infos

* tiny tweak

---------

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

source/_integrations/freebox.markdown

@@ -7,6 +7,7 @@ ha_category:
   - Presence Detection
   - Sensor
   - Switch
+  - Alarm Control Panel
 ha_release: 0.85
 ha_iot_class: Local Polling
 ha_codeowners:
@@ -21,6 +22,7 @@ ha_platforms:
   - device_tracker
   - sensor
   - switch
+  - alarm_control_panel
 ha_zeroconf: true
 ha_integration_type: integration
 ---
@@ -35,7 +37,8 @@ There is currently support for the following device types within Home Assistant:
 - [Switch](#switch) to control Wi-Fi
 - [Camera](#camera)
 - [Binary sensors](#binary)
-
+- [Alarm_control_panel](#alarm-control-panel)
+  
 {% include integrations/config_flow.md %}
 
 You can find out your Freebox host and port by opening this address <http://mafreebox.freebox.fr/api_version> in your browser.
@@ -132,7 +135,13 @@ Cameras are only available in Freebox V7 (also known as Freebox Delta).
 This platform offers you sensors to monitor:
 - motion sensor
 - door opener 
-- plastic cover 
+- plastic cover
+
+## Alarm control panel
+
+This integration allows you to view and control the Freebox alarm control panel.
+
+
 
 ## Service