Update documentation

README.md

@@ -35,4 +35,9 @@ It correctly bundles React in production mode and optimizes the build for the be
 The build is minified and the filenames include the hashes.<br>
 Your app is ready to be deployed!
 
-See the section about [build](https://vitejs.dev/guide/build) for more information.
+See the section about [build](https://vitejs.dev/guide/build) for more information.
+
+
+### `yarn start`
+
+Runs the preview mode of Vite from the build that has to be run before. It will run on [http://localhost:3000](http://localhost:3000)

src/containers/modals/about-modal/component.jsx

@@ -1,6 +1,8 @@
 import PropTypes from 'prop-types';
 
 import cx from 'classnames';
+// TODO: he-components is outdated and using componentWillMount, which is deprecated and will not work on React 18.
+// We should create Loading and Modal components in the application and not depend on he-components.
 import { Modal } from 'he-components';
 
 import styles from './styles.module';