ajout paragraphe readme

README.md

 Lorem Ipsum is simply dummy text of the printing and typesetting industry.
+
+Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,
+when an unknown printer took a galley of type and scrambled it to make a type
+specimen book. It has survived not only five centuries, but also the leap into
+electronic typesetting, remaining essentially unchanged. It was popularised in the
+1960s with the release of Letraset sheets containing Lorem Ipsum passages, and
+more recently with desktop publishing software like Aldus PageMaker including
+versions of Lorem Ipsum.
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