Added rough dialog for the PluginBrowser

CURA-3856

plugins/PluginBrowser/PluginBrowser.qml

@@ -0,0 +1,36 @@
+import UM 1.1 as UM
+import QtQuick 2.2
+import QtQuick.Dialogs 1.1
+import QtQuick.Window 2.2
+import QtQuick.Controls 1.1
+
+UM.Dialog
+{
+    id: base
+
+    title: "YAY"
+    width: 450
+    height: 150
+    ListView
+    {
+        model: manager.pluginsModel
+        anchors.fill: parent
+        delegate: Row
+        {
+            width: parent.width
+            Button
+            {
+                text: model.name
+            }
+            Button
+            {
+                text: model.author
+            }
+
+            Label
+            {
+                text: model.short_description
+            }
+        }
+    }
+}