place region under campaign

glossary.tex

@@ -267,6 +267,7 @@
   text={Region},
   prefix={a\space},
   type={mech},
+  parent={campaign},
   category={rules},
   nonumberlist,
   description={are broad areas like `forest', `town', `roads'.
@@ -287,7 +288,6 @@
   In the \glsentrytext{deep}, each cavern might count as an area, while out in the open plains a forest might be composed of the local areas: `the centre with the big, felled tree', `the river's fork', and `the griffins' nesting site'},
   }
 
-
 \longnewglossaryentry{step}{
   name={Steps},
   text={step},