adding readme in markdown

README.md

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+About Kensho
+============
+
+Kensho was built for the 2010 Rails Rumble competition, a 48 hour hackathon.
+Although, it is actually a Sinatra application that relies on Nokogiri and W3C
+to build the api.
+
+Validation Service
+------------------
+
+### HTML
+
+Choose the HTML option and paste in your markup to be validated by the W3C
+
+### CSS
+
+Paste in your Cascading Style Sheets to be validated by the W3C
+
+### XML
+
+Paste in your RSS feed or other XML markup for validation by the Nokogiri gem
+
+Command Line Service
+--------------------
+
+### JSON API
+
+Kensho provides an easy to use json api, that you can access via curl
+
+Echo or Pipe your markup to the api
+
+*   HTML: http://kenshoooo.com/api/json/html
+*   CSS: http://kenshoooo.com/api/json/css
+*   XML: http://kenshoooo.com/api/json/feed
+
+    curl 'mywebaddress.com/webpage.html' | curl -F markup=@- http://kenshoooo.com/api/json/html
+
+### YAML API
+
+Kensho also provides a yaml api, accessible via curl
+
+Simply swap 'json' with 'yaml' in the URI
+
+    curl 'mywebaddress.com/rssfeed.xml' | curl -F markup=@- http://kenshoooo.com/api/yaml/feed