add required: true to platform selection in init wizard to prevent empty selection

Author: totadavid95

src/cli/init-wizard.ts

@@ -241,6 +241,7 @@ export class LinterCliInitWizard {
                     }),
                 ];
             }),
+            required: true,
         });
 
         const platforms = specificPlatformsArray.reduce((acc, platform) => {