tinc webif: fill new server files with default content (refs #2018)
 * thx buehman for pointing me to [wiki:/help/howtos/development/developer_information/package_development#Custompackagesavingmechanism package_development#Custompackagesavingmechanism]

git-svn-id: file:///var/svn/freetz/trunk@10088 149334a1-2f27-0410-a3b9-fc62619ac1e6