Adding ini file for styles to Qt Quick Controls 2 wizard

Change-Id: Ie3dd0c4422d402f811830d9d24382550ba560df0
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@theqtcompany.com>

share/qtcreator/templates/wizards/projects/qmake/qtquickcontrols2application/qml.qrc

@@ -3,5 +3,6 @@
         <file>main.qml</file>
         <file>Page1.qml</file>
         <file>Page1Form.ui.qml</file>
+        <file>qtquickcontrols2.conf</file>
     </qresource>
 </RCC>

share/qtcreator/templates/wizards/projects/qmake/qtquickcontrols2application/qtquickcontrols2.conf

@@ -0,0 +1,15 @@
+; This file can be edited to change the style of the application
+; See Styling Qt Quick Controls 2 in the documentation for details:
+; http://doc.qt.io/qt-5/qtquickcontrols2-styles.html
+
+[Controls]
+Style=%{ControlsStyle}
+
+[Universal]
+Theme=Light
+;Accent=Steel
+
+[Material]
+Theme=Light
+;Accent=BlueGrey
+;Primary=BlueGray

share/qtcreator/templates/wizards/projects/qmake/qtquickcontrols2application/wizard.json

@@ -29,6 +29,38 @@
             "trShortTitle": "Location",
             "typeId": "Project"
         },
+        {
+            "trDisplayName": "Define Project Details",
+            "trShortTitle": "Details",
+            "typeId": "Fields",
+            "data":
+            [
+                {
+                    "name": "ControlsStyle",
+                    "trDisplayName": "Qt Quick Controls 2 Style:",
+                    "type": "ComboBox",
+                    "data":
+                    {
+                        "index": 0,
+                        "items":
+                        [
+                            {
+                                "trKey": "Default",
+                                "value": "Default"
+                            },
+                            {
+                                "trKey": "Material",
+                                "value": "Material"
+                            },
+                            {
+                                "trKey": "Universal",
+                                "value": "Universal"
+                            }
+                        ]
+                    }
+                }
+            ]
+        },
         {
             "trDisplayName": "Kit Selection",
             "trShortTitle": "Kits",
@@ -73,6 +105,9 @@
                 {
                     "source": "qml.qrc"
                 },
+                {
+                    "source": "qtquickcontrols2.conf"
+                },
                 {
                     "source": "../../git.ignore",
                     "target": "%{ProjectDirectory}/.gitignore",