Update README.md

Added license

README.md

@@ -31,4 +31,26 @@ It's that easy. Though one thing to be aware of: in that example I declared a wi
 
 ### 2.2 Events
 
-Currently, events are wrapped as a pure Javascript object. So trying to access properties of the event that don't exist for that event will give back undefined. You can determine the exact type of event by checking <pre>event.type</pre> just like in SDL. Same goes for all the other properties. If an event would have a key member, that will be in the Javascript object, etc.
+Currently, events are wrapped as a pure Javascript object. So trying to access properties of the event that don't exist for that event will give back undefined. You can determine the exact type of event by checking <pre>event.type</pre> just like in SDL. Same goes for all the other properties. If an event would have a key member, that will be in the Javascript object, etc.
+
+## 3. License
+
+Copyright (c) 2014 Tim "creationix" Caswell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.