feat(react): update react storybook to v7.6.7

Install storybook v7.6.7, update scripts, add new Storybook plugin for GitHub-flavoured markdown,
fixes to stories

. #977

packages/react/.babelrc.json

@@ -0,0 +1,18 @@
+{
+  "sourceType": "unambiguous",
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "chrome": 100,
+          "safari": 15,
+          "firefox": 91
+        }
+      }
+    ],
+    "@babel/preset-typescript",
+    "@babel/preset-react"
+  ],
+  "plugins": []
+}

packages/react/.storybook/main.js

@@ -1,17 +1,27 @@
 module.exports = {
   "core": {
-    builder: "webpack5",
-    disableTelemetry: true,
+    disableTelemetry: true
   },
+
   "stories": [
     "../src/**/*.stories.mdx",
     "../src/**/*.stories.@(js|jsx|ts|tsx)"
   ],
+
   "addons": [
     "@storybook/addon-links",
     "@storybook/addon-essentials",
     "@storybook/addon-postcss",
     "@storybook/addon-a11y",
+    "@storybook/addon-mdx-gfm"
   ],
-  "framework": "@storybook/react"
+
+  "framework": {
+    name: "@storybook/react-webpack5",
+    options: {}
+  },
+
+  docs: {
+    autodocs: true
+  }
 }