Minor changes (#13)

* Update quick-start.md

* Update README.md

* Update docusaurus.config.js

* adding custom sidebar

* onBrokenLinks throw

* changing baseUrl

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Co-authored-by: sr-remsha <46220620+sr-remsha@users.noreply.github.com>
Co-authored-by: dspashynskyi <dmytro_pashynskyi@epam.com>

docusaurus.config.js

@@ -15,15 +15,15 @@ const config = {
   url: 'https://docs.epam-rail.com',
   // Set the /<baseUrl>/ pathname under which your site is served
   // For GitHub pages deployment, it is often '/<projectName>/'
-  baseUrl: '/ai-dial/',
+  baseUrl: '/',
 
   // GitHub pages deployment config.
   // If you aren't using GitHub pages, you don't need these.
   organizationName: 'epam', // Usually your GitHub org/user name.
   projectName: 'ai-dial', // Usually your repo name.
   deploymentBranch: 'gh-pages',
 
-  onBrokenLinks: 'warn',//'throw', for exeptions
+  onBrokenLinks: 'throw',//'throw', for exeptions
   onBrokenMarkdownLinks: 'warn',
 
   // Even if you don't use internationalization, you can use this field to set