Add radio jammer (#14369)

Content.Server/Radio/Components/RadioJammerComponent.cs

@@ -0,0 +1,20 @@
+using Content.Server.Radio.EntitySystems;
+
+namespace Content.Server.Radio.Components;
+
+/// <summary>
+/// When activated (<see cref="ActiveRadioJammerComponent"/>) prevents from sending messages in range
+/// </summary>
+[RegisterComponent]
+[Access(typeof(JammerSystem))]
+public sealed class RadioJammerComponent : Component
+{
+    [DataField("range"), ViewVariables(VVAccess.ReadWrite)]
+    public float Range = 8f;
+
+    /// <summary>
+    /// Power usage per second when enabled
+    /// </summary>
+    [DataField("wattage"), ViewVariables(VVAccess.ReadWrite)]
+    public float Wattage = 6f;
+}