Add missing comma to type file

src/types/Config.js

@@ -11,6 +11,6 @@ export type Config = {
   instancesListBackgroundLoading: { default: number, [string]: number },
   sourceProvidersWithExtraOptions: Array<string | { name: string, envRequiredFields: string[] }>,
   destinationProvidersWithExtraOptions: Array<string | { name: string, envRequiredFields: string[] }>,
-  providerSortPriority: { [providerName: string]: number }
+  providerSortPriority: { [providerName: string]: number },
   hiddenUsers: string[],
 }