feat(design): add global parameters preference

Signed-off-by: Rafa Hernandez <rhernandez@teclib.com>

app/src/main/java/org/flyve/inventory/agent/GlobalParametersPreference.java

@@ -0,0 +1,46 @@
+package org.flyve.inventory.agent;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.PreferenceActivity;
+
+/*
+ *   Copyright © 2018 Teclib. All rights reserved.
+ *
+ *   This file is part of flyve-mdm-android
+ *
+ * flyve-mdm-android is a subproject of Flyve MDM. Flyve MDM is a mobile
+ * device management software.
+ *
+ * Flyve MDM is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Flyve MDM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * ------------------------------------------------------------------------------
+ * @author    Rafael Hernandez
+ * @date      18/2/18
+ * @copyright Copyright © 2018 Teclib. All rights reserved.
+ * @license   GPLv3 https://www.gnu.org/licenses/gpl-3.0.html
+ * @link      https://github.com/flyve-mdm/flyve-mdm-android
+ * @link      https://flyve-mdm.com
+ * ------------------------------------------------------------------------------
+ */
+public class GlobalParametersPreference extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        addPreferencesFromResource(R.xml.global_parameters);
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
+
+    }
+}