Add a basic README

Author: coderick14

README.md

@@ -0,0 +1,40 @@
+<h1 align="center">
+    <img src="https://github.com/coderick14/ACedIt/blob/master/images/logo.png" width="500"/><br/>
+</h1>
+A command line tool to run your code against sample test cases. Without leaving the terminal :)
+
+##### Installation
++ `git clone https://github.com/coderick14/ACedIt`
++ `cd ACedIt`
++ `python setup.py install`
+
+##### Usage
+```
+usage: ACedIt [-h] [-s SITE] [-c CONTEST] [-p PROBLEM] [-f]
+              [--run SOURCE_FILE]
+
+optional arguments:
+  -h, --help            show this help message and exit
+  -s SITE, --site SITE  The competitive programming platform, e.g. codeforces,
+                        codechef etc
+  -c CONTEST, --contest CONTEST
+                        The name of the contest, e.g. JUNE17, LTIME49, COOK83
+                        etc
+  -p PROBLEM, --problem PROBLEM
+                        The problem code, e.g. OAK, PRMQ etc
+  -f, --force           Force download the test cases, even if they are cached
+  --run SOURCE_FILE     Name of source file to be run
+
+```
+
+##### Supported sites
++ Codeforces
++ Codechef
++ Spoj
++ Hackerrank
+
+##### Demo
+![ACedIt demo GIF](https://github.com/coderick14/ACedIt/blob/master/images/demo.gif "Simple demo of how ACedIt works" )
+
+##### Note : 
+There might be some issues with Spoj, as they have widely varying DOM trees for different problems. Feel free to contribute on this. Or anything else that you can come up with :)