simple deployment instructions added

README.md

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+mvncache
+==========
+simple maven cache and proxy in php
+
+Use in apache
+---------------
+Put the script `src/mvncache.php` in the directory you want to be used as maven proxy.
+Next to the script copy the following lines to `.htaccess`:
+    RewriteEngine On
+    RewriteCond %{REQUEST_FILENAME} !-f
+    RewriteRule ^.*$ mvncache.php [L]
+Make both files accessible for apache.
+
+Possible use in lighttpd
+---------------
+Put the script `src/mvncache.php` in the directory you want to be used as maven proxy.
+Add the following line to your virtual host configuration:
+    server.error-handler-404    = "/mvncache.php"
+This path is relative to the value in `server.document-root`.