feat(app): introduce react configurations [EE-1809] (#5953)

.storybook/main.js

@@ -0,0 +1,31 @@
+const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
+
+module.exports = {
+  stories: ['../app/**/*.stories.mdx', '../app/**/*.stories.@(ts|tsx)'],
+  addons: [
+    '@storybook/addon-links',
+    '@storybook/addon-essentials',
+    {
+      name: '@storybook/addon-postcss',
+      options: {
+        cssLoaderOptions: {
+          importLoaders: 1,
+          modules: {
+            localIdentName: '[path][name]__[local]',
+            auto: true,
+            exportLocalsConvention: 'camelCaseOnly',
+          },
+        },
+      },
+    },
+  ],
+  webpackFinal: (config) => {
+    config.resolve.plugins = [
+      ...(config.resolve.plugins || []),
+      new TsconfigPathsPlugin({
+        extensions: config.resolve.extensions,
+      }),
+    ];
+    return config;
+  },
+};