web: Update README

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>

web/README

 proinfodata-web
 ===============
 
+
+Configuration
+-------------
+Copy the file "conf/application.conf.default" to "conf/application.conf" and
+then edit this file applying your own configuration.
+
+
+Deploy
+------
+All you need is to run the following command:
+
+$ play dist
+
+The whole application will be packed into "dist/proinfodata-web-VERSION.zip".
+You can copy that into your server, unpack it and then run:
+
+$ sh start -Xms256M -Xmx1024m -Dhttp.port=8080 -Dhttp.address=127.0.0.1
+
+Note that the first two arguments set the ammount of memory used by the Java VM
+and the two remaining ones set the binding port and address.