Atmospheric alerts computer (#25938)

* Atmospheric alerts computer

* Moved components, restricted access to them

* Minor tweaks

* The screen will now turn off when the computer is not powered

* Bug fix

* Adjusted label

* Updated to latest master version

Content.Shared/Atmos/Consoles/Components/AtmosAlertsDeviceComponent.cs

@@ -0,0 +1,14 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Atmos.Components;
+
+[RegisterComponent, NetworkedComponent]
+[Access([])]
+public sealed partial class AtmosAlertsDeviceComponent : Component
+{
+    /// <summary>
+    /// The group that the entity belongs to
+    /// </summary>
+    [DataField, ViewVariables]
+    public AtmosAlertsComputerGroup Group;
+}