Add the skeleton of the plugin

Contributes to CURA-5155.

plugins/UFPReader/__init__.py

@@ -0,0 +1,26 @@
+#Copyright (c) 2019 Ultimaker B.V.
+#Cura is released under the terms of the LGPLv3 or higher.
+
+from UM.i18n import i18nCatalog
+
+from . import UFPReader
+
+i18n_catalog = i18nCatalog("cura")
+
+
+def getMetaData():
+    return {
+        "mesh_reader": [
+            {
+                "mime_type": "application/x-ufp",
+                "extension": "ufp",
+                "description": i18n_catalog.i18nc("@item:inlistbox", "Ultimaker Format Package")
+            }
+        ]
+    }
+
+
+def register(app):
+    app.addNonSliceableExtension(".ufp")
+    return {"mesh_reader": UFPReader.UFPReader()}
+