Update glitch_readme.md

Author: Peter Swimm

glitch_readme.md

@@ -10,6 +10,16 @@ Our goal with Botkit is to make bot building easy, fun, and accessible to anyone
 
 If you are looking to create a bot on other platforms using Glitch, check out the [Botkit project page](https://glitch.com/botkit).
 
+### What's Included
+* [Botkit core](https://github.com/howdyai/botkit/blob/master/docs/readme.md#developing-with-botkit) - a complete programming system for building conversational software
+* [Botkit Studio API](https://github.com/howdyai/botkit/blob/master/docs/readme-studio.md#function-index) - additional APIs that extend Botkit with powerful tools and APIs
+* [Pre-configured Express.js webserver](https://expressjs.com/) including:
+   * A customizable "Install my Bot" homepage
+   * Login and oauth endpoints that allow teams to install your bot
+   * Webhook endpoints for communicating with platforms
+* Sample skill modules that demonstrate various features of Botkit
+* A customizable onboarding experience for new teams powered by Botkit Studio
+
 ### Getting Started
 
  There are a myriad of methods you can use to set up an application on Slack, but we feel this is the most flexible path you can use to setup your bot on the Slack Events API.
@@ -55,4 +65,4 @@ You can find full documentation for Botkit on our [GitHub page](https://github.c
 
 # About Botkit
 
-Botkit is a product of [Howdy](https://howdy.ai) and made in Austin, TX with the help of a worldwide community of botheads.
+Botkit is a product of [Howdy](https://howdy.ai) and made in Austin, TX with the help of a worldwide community of botheads.