feat: create http status code enum

Author: cgabrieu

src/enums/httpStatusCode.ts

@@ -0,0 +1,10 @@
+export default Object.freeze({
+    OK: 200,
+    CREATED: 201,
+    NO_CONTENT: 204,
+    BAD_REQUEST: 400,
+    NOT_FOUND: 404,
+    CONFLICT: 409,
+    INTERNAL_SERVER_ERROR: 500,
+  });
+  

src/middlewares/errorMiddleware.ts

@@ -0,0 +1,7 @@
+import { Request, Response, NextFunction } from "express";
+import httpStatusCode from "../enums/httpStatusCode";
+
+export default function errorMiddleware(err: Error, req: Request, res: Response, next: NextFunction) {
+  res.status(httpStatusCode.INTERNAL_SERVER_ERROR).send(`Error - ${err.message}`);
+  return next();
+}