Export maxMonoType from savefile types

Changed maxMonoType from a local type to an exported type to allow usage in other modules.

Author: JorchCortez

src/types/savefile.ts

@@ -279,7 +279,7 @@ export type cropsShippedType = {
     maxMono: null | maxMonoType;
 };
 
-type maxMonoType = {
+export type maxMonoType = {
     name: string;
     shipped: number;
 }