update proxy backend actions

src/opnsense/service/conf/actions.d/actions_service.proxy.conf

@@ -5,7 +5,7 @@ type:script
 message:starting proxy
 
 [stop.proxy]
-command:/usr/local/etc/rc.d/squid stop
+command:/usr/local/etc/rc.d/squid stop;/usr/bin/killall squid;exit 0
 parameters:
 type:script
 message:stopping proxy
@@ -16,6 +16,12 @@ parameters:
 type:script
 message:restarting proxy
 
+[reconfigure.proxy]
+command:/usr/local/etc/rc.d/squid reload
+parameters:
+type:script
+message:reconfigure proxy
+
 [status.proxy]
 command:/usr/local/etc/rc.d/squid status;exit 0
 parameters: