[ci skip] Add 2 screenshots for the README

Author: wazery

README.rst

@@ -56,8 +56,8 @@ features such as generating documentation from tests, recording examples etc.
 Screenshots
 -----------
 
-.. image:: https://dl.dropboxusercontent.com/u/71605080/Screen%20Shot%202015-04-06%20at%2011.31.12%20PM.png
-.. image:: https://dl.dropboxusercontent.com/u/71605080/Screen%20Shot%202015-04-06%20at%2011.29.20%20PM.png
+.. image:: https://github.com/Apipie/apipie-rails/blob/master/images/screenshot-1.png
+.. image:: https://github.com/Apipie/apipie-rails/blob/master/images/screenshot-2.png
 
 Authors
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