(ids) add interface selection to UI

src/opnsense/mvc/app/controllers/OPNsense/IDS/forms/generalSettings.xml

@@ -5,4 +5,12 @@
         <type>checkbox</type>
         <help>enable IDS</help>
     </field>
+    <field>
+        <id>ids.general.interfaces</id>
+        <label>interfaces</label>
+        <type>select_multiple</type>
+        <style>tokenize</style>
+        <help><![CDATA[Select interface(s) to use.]]></help>
+        <hint>Type or select interface.</hint>
+    </field>
 </form>