nodejs backend added

.babelrc

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+{
+  "presets": ["@babel/preset-env"]
+}

.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

Readme.md

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+## Firstly let’s create a RESTful web server:
+
+## I navigate the cursor to the file I will create the project in the terminal and I am creating the package.json file with the following command:
+
+```
+npm init --y
+```
+
+## Now let’s add the packages that are necessary to create the server:
+
+```
+npm install express cors morgan body-parser dotenv
+```
+
+## let’s add the babel modules to the project:
+
+```
+npm install @babel/core @babel/node @babel/preset-env
+```
+
+## let’s create the .babelrc file and add the following code:
+
+```
+{
+  “presets”: [“@babel/preset-env”]
+}
+```
+
+## And finally, let’s add the following code to scripts field in the package.json file.
+
+```
+"start": "nodemon — exec babel-node src/index.js"
+```
+
+### If you don’t have nodemon in your PC, I advise installing it globally.
+
+```
+sudo npm install -g nodemon
+```
+
+## Adding Swagger to the project
+
+Firstly, let’s install two modules that are necessary for documentation and user interface (UI):
+
+```
+npm install swagger-jsdoc swagger-ui-express
+```
+
+## And I am importing these two modules in the index.js file:
+
+```
+import swaggerUI from “swagger-ui-express”;
+import swaggerJsDoc from “swagger-jsdoc”;
+```

nodemon.json

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+{
+  "watch": ["src"]
+}