flying gaussian in CHANGES

CHANGES/v2.5.md

@@ -65,6 +65,7 @@ Changes from version 2.4 which are relevant for users:
   - \ref EDS now has a larger default RANGE parameter to go with these other changes.
 
 - Other changes:
+  - \ref METAD there is a new FLYING_GAUSSIAN keyword to activate the flying gaussian methods by Spiwok (contributed by Spiwok and Hozzova)
   - \ref EXTERNAL can now SCALE the input grid. This allows for more flexibility without modifying the grid file.
   - \ref ALPHABETA can now combine dihedrals with different coefficients
   - \ref INCLUDE can now be used also before setup actions.