Strapi Plugin: api not accessible, getting not found in response

I want to create a custom api in strapi backend for that i generated a plugin which will help me to create a api for me ...so i created a plugin called test for testing purpose,when i try to access the test response in postman its showing 404 error is not accessible ...

i will show you the code

This is my route file ..

src/plugins/test/server/routes

export default [
   {
      method: 'GET',
      path: '/',
      handler: 'myController.index',
      config: {
         policies: [],
         auth:false
      },
   },

];

This is my controller file ..

src/plugins/test/server/controllers/my-controller.ts

import { Strapi } from '@strapi/strapi';

export default ({ strapi }: { strapi: Strapi }) => ({
  index(ctx) {
    ctx.body = strapi
      .plugin('test')
      .service('myService')
      .getWelcomeMessage();
  },
});

This is my service file..

src/plugins/test/server/services/my-service.ts

import { Strapi } from '@strapi/strapi';

export default ({ strapi }: { strapi: Strapi }) => ({
  getWelcomeMessage() {
    return 'Welcome to Strapi 🚀';
  },
});

above code is by default generated by the strapi plugin ..when i m trying to access via endpoint http://localhost:1337/test is not getting response back why is the issue please help me identify the issue..

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