Added README

README.md

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+Easy PSGI Programming
+=====================
+
+Some really simple sample PSGI programs that are written simply to
+demonstrate that you don't need use web frameworks to move your code
+from CGI to PSGI.
+
+The sample programs are based on the code in 
+[a series of three articles on CGI programming](http://perlhacks.com/articles/cgi-programming/)
+that I wrote for Linux Format back in 2000.
+
+**Note:** I'm not saying that I think this is the best way of writing
+web programs in Perl. I am saying that this is a reasonably easy way to
+port old CGI programs to PSGI.