doc: update README for formatting and linting the code (reactplay#858)

* doc: update README for formatting and linting the code

* update development environment

.env.development

@@ -1,3 +1,4 @@
 REACT_APP_NHOST_BACKEND_URL=https://rgkjmwftqtbpayoyolwh.nhost.run/
 REACT_APP_NHOST_VERSION=v1
-REACT_APP_NHOST_ENDPOINT=graphql
+REACT_APP_NHOST_ENDPOINT=graphql
+DISABLE_ESLINT_PLUGIN=true

README.md

@@ -125,13 +125,49 @@ Or
 ```bash
 yarn start
 ```
- **Note**: The `start` script automatically invokes "linters" process. Should you need to run the app without `lint` the use `start:nolint` instead.
- However make sure that you run `start` script at least once before committing your code. Code with linter error may not be reviewed.
+
+**Note**: The `start` script automatically invokes "linters" process. Should you need to run the app without `lint` the use `start:nolint` instead.
+However make sure that you run `start` script at least once before committing your code. Code with linter error may not be reviewed.
 
 It runs the app in development mode. Open [http:https://localhost:3000](http:https://localhost:3000) to view it in your browser.
 
 The page will reload when you make changes. You may also see any lint errors in the console.
 
+### ✨ Format and lint the code
+
+Use the following command to format and lint the code:
+
+#### Format the code
+
+```bash
+npm run format
+
+#OR
+
+yarn run format
+```
+
+#### Lint the code
+
+```bash
+# to check the linting issue
+
+npm run lint
+
+#OR
+
+yarn run lint
+
+
+# to fix the linting issue
+
+npm run lint:fix
+
+#OR
+
+yarn run lint:fix
+```
+
 ### 🧱 Build the App for Production
 
 Use the following command to build the app for production: