Added README

README

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+FFmpeg Presets
+==============
+
+Currently these are just the example presets that ship with the ffmpeg zip, inside the ffpreset folder. In order to use them, they need to be in  a directory called .ffmpeg in $HOME.
+
+Yes, if you did a standard install you could just move them yourself. But it you used homebrew you would have to go and find them. Why do that? When you could just do this:
+
+<pre>
+mkdir ~/.ffmpeg
+cd .ffmpeg
+git clone git://github.com/joeyblake/FFmpeg-Presets.git .
+</pre>
+
+And be done.