added readme

README.mdown

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+# Flowplayer Helper for Rails 3 applications
+
+`gem 'flowplayer'` in your gem file
+
+##Usage
+
+    <a id='my_video' style='display:block;width:512px;height312px;'>
+    = flowplayer_for :video, '/flowplayer.swf' do |player|
+      - player.playlist [{:url => "video_still.jpg" }, {:url => "video_512x288.flv", :autoPlay => false, :autoBuffering => true }]
+      - player.onLoad do
+        - 'this.unmute();'
+        
+## Configs are the same ones here
+  
+  http://flowplayer.org/documentation/api/index.html
+
+## TODO 
+  More documentation