Generic Commit; Most likely a fix or small feature

src/fastify.ts

@@ -1,10 +1,14 @@
-import { AxiosInstance } from "axios";
+import type { AxiosInstance } from "axios";
 
 export type ServiceResult<T = unknown> = {
   result: T;
   successful: boolean;
 };
 
+export type API_Error = {
+  error: string;
+};
+
 export abstract class BaseClient {
   private axiosInstance: AxiosInstance;