Update README.md

Author: flotho

README.md

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 Odoo Java Api
 ================
 
+This reppo is no more maintained for new odoo versions. The new one https://github.com/odoo-java/odoo-java-api is the appropriate for improvements.
+Current issues and PR will be proposed on the new repo
+
 A Java API to connect to Odoo and manage data using the XMLRPC interface.
 
 The API reduces the amount of boiler plate code needed to communicate with Odoo