Corrected white space and added name

.mailmap

@@ -25,6 +25,7 @@ Mark Baker <mark.baker@metoffice.gov.uk> <20327097+markysparks@users.noreply.git
 Marcus Spelman <99179165+mspelman07@users.noreply.github.com> <99179165+mspelman07@users.noreply.github.com>
 Mark Worsfold <mark.worsfold@metoffice.gov.uk> <mark.worsfold@metoffice.gov.uk>
 Mark Worsfold <mark.worsfold@metoffice.gov.uk> <35810969+MarkWorsfold@users.noreply.github.com>
+Max White <max.white@metoffice.gov.uk> <max.white@metoffice.gov.uk>
 Meabh NicGuidhir <meabh.nicguidhir@metoffice.gov.uk> <meabh.nicguidhir@metoffice.gov.uk>
 Neil Crosswaite <neil.crosswaite@metoffice.gov.uk> <43375279+neilCrosswaite@users.noreply.github.com>
 Paul Abernethy <paul.abernethy@metoffice.gov.uk> <paul.abernethy@metoffice.gov.uk>

CONTRIBUTING.md

@@ -75,6 +75,7 @@ below:
  - Marcus Spelman (Met Office, UK)
  - Belinda Trotta (Bureau of Meteorology, Australia)
  - Tomasz Trzeciak (Met Office, UK)
+ - Max White (Met Office, UK)
  - Mark Worsfold (Met Office, UK)
  - Bruce Wright (Met Office, UK)
  - Ying Zhao (Bureau of Meteorology, Australia)

improver/precipitation_type/freezing_rain.py

@@ -233,7 +233,7 @@ def _generate_template_cube(self, n_realizations: Optional[int]) -> Cube:
         if freezing_rain_cube.coord("time").has_bounds():
             cell_method = iris.coords.CellMethod("sum", coords="time")
             freezing_rain_cube.add_cell_method(cell_method)
-        
+
         return freezing_rain_cube
 
     def _calculate_freezing_rain_probability(