Include sub headings for documentation in README

README.md

@@ -40,14 +40,41 @@ Read the [full review here](https://clutch.co/profile/shakacode#reviews?sort_by=
 ## Documentation
 
 - [Get started](docs/get-started.md)
+  - [Use with Shakapacker](docs/get-started.md#use-with-shakapacker)
+    - [Component name](docs/get-started.md#component-name)
+    - [File naming](docs/get-started.md#file-naming)
+    - [Typescript support](docs/get-started.md#typescript-support)
+    - [Test component](docs/get-started.md#test-component)
+  - [Use with Asset Pipeline](docs/get-started.md#use-with-asset-pipeline)
+    - [Custom JSX Transformer](docs/get-started.md#custom-jsx-transformer)
+      - [Transform Plugin Options](docs/get-started.md#transform-plugin-options)
+    - [React.js versions](docs/get-started.md#reactjs-versions)
 - [View Helper](docs/view-helper.md)
+  - [Custom View Helper](docs/view-helper.md#custom-view-helper)
 - [UJS](docs/ujs.md)
+  - [Mounting & Unmounting](docs/ujs.md#mounting--unmounting)
+  - [Event Handling](docs/ujs.md#event-handling)
+  - [`getConstructor`](docs/ujs.md#getconstructor)
 - [Server-Side Rendering](docs/server-side-rendering.md)
+  - [Configuration](docs/server-side-rendering.md#configuration)
+  - [JavaScript State](docs/server-side-rendering.md#javascript-state)
+  - [Custom Server Renderer](docs/server-side-rendering.md#custom-server-renderer)
 - [Controller Actions](docs/controller-actions.md)
 - [Component Generator](docs/component-generator.md)
+  - [Use with JBuilder](docs/component-generator.md#use-with-jbuilder)
+  - [Camelize Props](docs/component-generator.md#camelize-props)
+  - [Changing Component Templates](docs/component-generator.md#changing-component-templates)
 - [Upgrading](docs/upgrading.md)
+  - [2.7 to 3.0](docs/upgrading.md#27-to-30)
+  - [2.3 to 2.4](docs/upgrading.md#23-to-24)
 - [Migrating from `react-rails` to `react_on_rails`](docs/migrating-from-react-rails-to-react_on_rails.md)
+  - [Why migrate?](docs/migrating-from-react-rails-to-react_on_rails.md#why-migrate)
+  - [Steps to migrate](docs/migrating-from-react-rails-to-react_on_rails.md#steps-to-migrate)
 - [Common Errors](docs/common-errors.md)
+  - [Getting warning for `Can't resolve 'react-dom/client'` in React < 18](docs/common-errors.md#getting-warning-for-cant-resolve-react-domclient-in-react--18)
+  - [Undefined Set](docs/common-errors.md#undefined-set)
+  - [Using TheRubyRacer](docs/common-errors.md#using-therubyracer)
+  - [HMR](docs/common-errors.md#hmr)
 
 
 After reading this README file, additional information about React-Rails can be found in the Wiki page: