Fix Login Page and add Jahresplan

src/components/types/data.ts

@@ -50,3 +50,10 @@ export const ServerSchema = z.object({
 });
 
 export type Server = z.infer<typeof ServerSchema>;
+
+export const ResponseErrorSchema = z.object({
+    error: z.string(),
+    code: z.string(),
+});
+
+export type ResponseError = z.infer<typeof ResponseErrorSchema>;