Add grayjay and localsend ports for ease of activation for firewalld

files/system/etc/firewalld/services/grayjay.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<service>
+  <port port="12315" protocol="tcp"/>
+</service>

files/system/etc/firewalld/services/localsend.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<service>
+  <port port="53317" protocol="tcp"/>
+  <port port="53317" protocol="udp"/>
+</service>