sanders: Add spectrum support

Co-authored-by: Anushek Prasal <anushekprasal@gmail.com>
Co-authored-by: ronaxdevil <pratabidya.007@gmail.com>
Signed-off-by: ronaxdevil <pratabidya.007@gmail.com>

overlay/packages/apps/Settings/res/values/bools.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2019 Havoc-OS
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+          http://www.apache.org/licenses/LICENSE-2.0
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+
+    <!-- Whether to display spectrum settings -->
+    <bool name="device_supports_spectrum">true</bool>
+
+</resources>