Update tplink.markdown include device KP40 support (home-assistant#18903)

shanem2004 · web-flow · commit 6586e0348927 · 2021-08-12T10:47:56.000+02:00
Co-authored-by: Really Good Tech Deals &lt;51071512+iKingRPG@users.noreply.github.com&gt;
diff --git a/source/_integrations/tplink.markdown b/source/_integrations/tplink.markdown
@@ -54,6 +54,7 @@ Plugs are type `switch` when autodiscovery has been disabled.
 - KP303 (powerstrip 3-outlet)
 - KP400 (outdoor 2-outlet)
 - KP200 (indoor 2-outlet)
+- KP40 (outdoor 2-outlet)
 
 ### Wall Switches
 
