Adding readme and licence

MIT-LICENSE

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+Copyright (c) 2005 Tobias Luetke
+
+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.
+

README

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+Typo Diigo sidebar plugin
+
+* INSTALL
+
+Download Typo Diigo and unpack it into vendor/plugins or go to your Typo application and:
+
+./script/plugin install git://github.com/fdv/diigo_sidebar.git
+
+
+Then, go to http://yourdomain/admin/sidebar and enable Typo Diigo sidebar plugin.
+
+* REQUIREMENTS
+
+Typo Diigo sidebar needs Typo version 4.1 or greater. Typo is at http://typosphere.org or http://github.com/fdv/typo/tree