add readme and screenshot

README.md

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+# Noodle - The doodle
+
+![Screenshot](https://raw.github.com/kmerz/noodle/master/noodle.png)
+
+Noodle is a doodle clone written in haskell with:
+* [scotty](https://github.com/scotty-web/scotty)
+* [persistent](https://github.com/yesodweb/persistent)
+* [sqlite3](https://www.sqlite.org/)
+
+Even though it is a project to explore the possibilties of haskell in web
+development, it is designed as a inhouse doodle solution to fit the needs of
+privacy.
+
+To build the project you need a updated version of cabal and following
+commands:
+
+```
+cabal configure
+cabal install
+cabal build
+```
+
+After that place `./dist/build/noodle/noodle` and `noodle.css` beside each other
+into the desired directory and start it with: `./noodle` or a shell script
+or something.
+
+If you liked this project please have a look at my paste bin clone in rails:
+[graveio](https://github.com/kmerz/graveio)