Generic Commit; Most likely a fix or small feature

src/fastify.ts

@@ -1,4 +1,36 @@
+import { AxiosInstance } from "axios";
+
 export type ServiceResult<T = unknown> = {
   result: T;
-  succesful: boolean;
+  successful: boolean;
 };
+
+export abstract class Client {
+  private axiosInstance: AxiosInstance;
+
+  constructor(axiosInstance: AxiosInstance) {
+    this.axiosInstance = axiosInstance;
+  }
+}
+
+export abstract class Service<T> {
+  private client: T;
+
+  constructor(client: T) {
+    this.client = client;
+  }
+
+  getSuccessfulResult<R = unknown>(result: R): ServiceResult<R> {
+    return {
+      result,
+      successful: true,
+    };
+  }
+
+  getErrorResult(error: string): ServiceResult<string> {
+    return {
+      result: error,
+      successful: false,
+    };
+  }
+}