Add features list (#443)

* Add features list to README

README.md

@@ -5,12 +5,34 @@
 [![CTFd Slack](https://slack.ctfd.io/badge.svg)](https://slack.ctfd.io/)
 
 ## What is CTFd?
-CTFd is a Capture The Flag in a can. It's easy to customize with plugins and themes and has everything you need to run a jeopardy style CTF.
+CTFd is a Capture The Flag framework focusing on ease of use an customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes.
 
 ![CTFd is a CTF in a can.](https://github.com/CTFd/CTFd/blob/master/CTFd/themes/original/static/img/scoreboard.png?raw=true)
 
+## Features
+ * Create your own challenges, categories, hints, and flags from the Admin Interface
+    * Static & Regex based flags
+    * Users can unlock hints for free or with points
+    * File uploads to the server or [Amazon S3](https://github.com/CTFd/CTFd-S3-plugin)
+    * Limit challenge attempts & hide challenges
+    * Automatic submission throttling
+ * Scoreboard with automatic tie resolution
+    * Hide Scores from the public
+    * Freeze Scores at a specific time
+    * [Dynamic Scoring](https://github.com/CTFd/DynamicValueChallenge)
+ * Scoregraphs comparing the top 10 teams and team progress graphs
+ * Markdown content management system
+ * SMTP + Mailgun email support
+    * Email confirmation support
+    * Forgot password support
+ * Automatic competition starting and ending
+ * Team management & hiding
+ * Customize everything using the [plugin](https://github.com/CTFd/CTFd/wiki/Plugins) and [theme](https://github.com/CTFd/CTFd/tree/master/CTFd/themes) interfaces
+ * Importing and Exporting of CTF data for archival
+ * And a lot more...
+
 ## Install
- 1. `./prepare.sh` to install dependencies using apt.
+ 1. Run `./prepare.sh` to install dependencies using apt.
  2. Modify [CTFd/config.py](https://github.com/CTFd/CTFd/blob/master/CTFd/config.py) to your liking.
  3. Use `python serve.py` in a terminal to drop into debug mode.
  4. [Here](https://github.com/CTFd/CTFd/wiki/Deployment) are some deployment options
@@ -31,5 +53,5 @@ Looking to use CTFd but don't want to deal with managing infrastructure? Check o
 Looking for CTF challenges to work on? [HackerFire](https://hackerfire.com/) is a learning focused CTF built using CTFd. It features a wide variety of challenges and is updated with new content frequently. It also contains custom knowledge resources to teach newcomers about the techniques used to solve a challenge. 
 
 ## Credits
-* Logo by [Laura Barbera](http://www.laurabb.com/)
-* Theme by [Christopher Thompson](https://github.com/breadchris)
+ * Logo by [Laura Barbera](http://www.laurabb.com/)
+ * Theme by [Christopher Thompson](https://github.com/breadchris)