[Koha] Add Full text

Hi to All, I want to translate the template to Amharic (Ethiopian official language). Do you know whom I should contact if it is acceptable? I want to contribute. I want also to link my bibliographic records to full-text pdf file. I try to use mark field 856 subfield U. I put the pdf file under /etc/httpd/Ebooks but failed to link. I also try to put the pdf file under /var/www, /var/www/http but with our success. The httpd.conf file server root or the directory shows these folders. Is there other mechanisms to link the full-text. I am running koha 2.2.8 using redhat linux enterprise AS 3. Any idea helps. Regards, Mulu G.