add readme

Author: cweiske

README.rst

@@ -0,0 +1,20 @@
+*********
+Text_Diff
+*********
+Engine for performing and rendering text diffs
+
+This package provides a text-based diff engine and renderers
+for multiple diff output formats.
+
+
+.. note:: This package has been deprecated and is superseded by 
+          ``Horde_Text_Diff`` at http://pear.horde.org/
+
+Links
+=====
+Homepage
+  http://pear.php.net/package/Text_Diff
+Bug tracker
+  http://pear.php.net/bugs/search.php?cmd=display&package_name[]=Text_Diff
+Unit test status
+  https://travis-ci.org/pear/Text_Diff