Move what is already there of 'package card' to it's own file.

part of CURA-8561

plugins/Marketplace/resources/qml/PackageCard.qml

@@ -0,0 +1,28 @@
+// Copyright (c) 2021 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import UM 1.4 as UM
+
+Rectangle
+{
+    property var packageData
+
+    width: parent.width
+    height: UM.Theme.getSize("card").height
+
+    color: UM.Theme.getColor("main_background")
+    radius: UM.Theme.getSize("default_radius").width
+
+    Label
+    {
+        anchors.verticalCenter: parent.verticalCenter
+        anchors.left: parent.left
+        anchors.leftMargin: Math.round((parent.height - height) / 2)
+
+        text: packageData.displayName
+        font: UM.Theme.getFont("medium_bold")
+        color: UM.Theme.getColor("text")
+    }
+}