begin writing tests for controllers

.editorconfig

@@ -8,3 +8,9 @@ dotnet_diagnostic.CS8604.severity = none
 
 # CS1591: Missing XML comment for publicly visible type or member
 dotnet_diagnostic.CS1591.severity = none
+
+# CS8629: Nullable value type may be null.
+dotnet_diagnostic.CS8629.severity = silent
+
+# CS8602: Dereference of a possibly null reference.
+dotnet_diagnostic.CS8602.severity = silent