Move disarmed event (#8130)

Content.Server/CombatMode/DisarmedEvent.cs

@@ -0,0 +1,20 @@
+namespace Content.Server.CombatMode
+{
+    public sealed class DisarmedEvent : HandledEntityEventArgs
+    {
+        /// <summary>
+        ///     The entity being disarmed.
+        /// </summary>
+        public EntityUid Target { get; init; }
+
+        /// <summary>
+        ///     The entity performing the disarm.
+        /// </summary>
+        public EntityUid Source { get; init; }
+
+        /// <summary>
+        ///     Probability for push/knockdown.
+        /// </summary>
+        public float PushProbability { get; init; }
+    }
+}