fix: add eslint and configure it

tests/HttpStatusCode.spec.ts

@@ -1,107 +1,107 @@
 import { HttpStatusCode } from '../src/enums/HttpStatusCode';
 import { expect } from 'chai';
 
-describe('HttpStatusCode', () => {
-  describe('OK', () => {
-    it('should return the correct value', () => {
+describe('HttpStatusCode', function () {
+  describe('OK', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.OK;
       expect(result).to.equal(200);
     });
   });
 
-  describe('Created', () => {
-    it('should return the correct value', () => {
+  describe('Created', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.Created;
       expect(result).to.equal(201);
     });
   });
 
-  describe('Accepted', () => {
-    it('should return the correct value', () => {
+  describe('Accepted', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.Accepted;
       expect(result).to.equal(202);
     });
   });
 
-  describe('NoContent', () => {
-    it('should return the correct value', () => {
+  describe('NoContent', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.NoContent;
       expect(result).to.equal(204);
     });
   });
 
-  describe('BadRequest', () => {
-    it('should return the correct value', () => {
+  describe('BadRequest', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.BadRequest;
       expect(result).to.equal(400);
     });
   });
 
-  describe('Unauthorized', () => {
-    it('should return the correct value', () => {
+  describe('Unauthorized', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.Unauthorized;
       expect(result).to.equal(401);
     });
   });
 
-  describe('Forbidden', () => {
-    it('should return the correct value', () => {
+  describe('Forbidden', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.Forbidden;
       expect(result).to.equal(403);
     });
   });
 
-  describe('NotFound', () => {
-    it('should return the correct value', () => {
+  describe('NotFound', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.NotFound;
       expect(result).to.equal(404);
     });
   });
 
-  describe('MethodNotAllowed', () => {
-    it('should return the correct value', () => {
+  describe('MethodNotAllowed', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.MethodNotAllowed;
       expect(result).to.equal(405);
     });
   });
 
-  describe('Conflict', () => {
-    it('should return the correct value', () => {
+  describe('Conflict', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.Conflict;
       expect(result).to.equal(409);
     });
   });
 
-  describe('InternalServerError', () => {
-    it('should return the correct value', () => {
+  describe('InternalServerError', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.InternalServerError;
       expect(result).to.equal(500);
     });
   });
 
-  describe('NotImplemented', () => {
-    it('should return the correct value', () => {
+  describe('NotImplemented', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.NotImplemented;
       expect(result).to.equal(501);
     });
   });
 
-  describe('BadGateway', () => {
-    it('should return the correct value', () => {
+  describe('BadGateway', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.BadGateway;
       expect(result).to.equal(502);
     });
   });
 
-  describe('ServiceUnavailable', () => {
-    it('should return the correct value', () => {
+  describe('ServiceUnavailable', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.ServiceUnavailable;
       expect(result).to.equal(503);
     });
   });
 
-  describe('GatewayTimeout', () => {
-    it('should return the correct value', () => {
+  describe('GatewayTimeout', function () {
+    it('should return the correct value', function () {
       const result = HttpStatusCode.GatewayTimeout;
       expect(result).to.equal(504);
     });