chore: add export to use the ExtractValidation in the spec

Author: ahmed-n-abdeltwab

apps/meteor/app/api/server/ApiClass.ts

@@ -64,7 +64,7 @@ export type Prettify<T> = {
 	[K in keyof T]: T[K];
 } & unknown;
 
-type ExtractValidation<T> = T extends ValidateFunction<infer TSchema> ? TSchema : unknown;
+export type ExtractValidation<T> = T extends ValidateFunction<infer TSchema> ? TSchema : unknown;
 
 export type ExtractRoutesFromAPI<T> =
 	T extends APIClass<any, infer TOperations> ? (TOperations extends MinimalRoute ? Prettify<ConvertToRoute<TOperations>> : never) : never;