Fix airlocks being opened by anything that bumps into them.

- Adds DoorBumpOpener component.

Content.Server/Doors/Components/DoorBumpOpenerComponent.cs

@@ -0,0 +1,10 @@
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Doors.Components
+{
+    [RegisterComponent]
+    public class DoorBumpOpenerComponent : Component
+    {
+        public override string Name => "DoorBumpOpener";
+    }
+}