Merge pull request #2887 from orestisf1993/next

Allow assign to workspace by number

include/data.h

@@ -556,7 +556,8 @@ struct Assignment {
         A_ANY = 0,
         A_COMMAND = (1 << 0),
         A_TO_WORKSPACE = (1 << 1),
-        A_NO_FOCUS = (1 << 2)
+        A_NO_FOCUS = (1 << 2),
+        A_TO_WORKSPACE_NUMBER = (1 << 3)
     } type;
 
     /** the criteria to check if a window matches */