feat(nuke): add create plugin for backdrop creation

pype/plugins/nuke/create/create_backdrop

@@ -1,2 +0,0 @@
-# creates backdrop which is published as separate nuke script
-# it is versioned by major version

pype/plugins/nuke/create/create_backdrop.py

@@ -0,0 +1,16 @@
+from avalon.nuke.pipeline import Creator
+
+
+class CreateBackdrop(Creator):
+    """Add Publishable Backdrop"""
+
+    name = "backdrop"
+    label = "Backdrop"
+    family = "group"
+    icon = "cube"
+    defaults = ["Main"]
+
+    def __init__(self, *args, **kwargs):
+        super(CreateBackdrop, self).__init__(*args, **kwargs)
+
+        return