add satin column to embrioder params plugin

embroider_params.inx

@@ -11,6 +11,7 @@
     <param name="repeats" type="string" _gui-text="Repeats (stroke only)"></param>
     <param name="angle" type="string" _gui-text="Angle for lines in fills"></param>
     <param name="hatching" type="string" _gui-text="Hatching? (yes/no)"></param>
+    <param name="satin_column" type="string" _gui-text="Satin Column? (yes/no)"></param>
     <effect>
         <object-type>all</object-type>
         <effects-menu>

embroider_params.py

@@ -22,6 +22,7 @@ class EmbroiderParams(inkex.Effect):
                        "repeats",
                        "angle",
                        "hatching",
+                       "satin_column"
                       ]
        
         for param in self.params: