update readme

README.md

@@ -1,4 +0,0 @@
-songbook
-========
-
-Songbook from patacrep

README → readme.md

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 Songbook Compilation Chain
 
+# Description
 This package provides a compilation toolchain that produce LaTeX
 songbook using the LaTeX songs package. A new LaTeX document class is
 provided to allow specific customisation and new command like embedded
@@ -11,3 +12,10 @@ to the CC-BY-SA licence.
 
 Other document are subject to the GNU GPLv2 except if another licence
 is precised in the header.
+
+# Documentation
+   http://www.patacrep.com/data/documents/doc_en.pdf
+
+# Contact & Forums
+* http://www.patacrep.com
+* crep@team-on-fire.com