Add cambodgian files

htdocs/langs/km_KH/main.lang

htdocs/langs/mk_MK/accountancy.lang

htdocs/langs/mk_MK/admin.lang

htdocs/langs/mk_MK/agenda.lang

htdocs/langs/mk_MK/banks.lang

htdocs/langs/mk_MK/bills.lang

htdocs/langs/mk_MK/commercial.lang

htdocs/langs/mk_MK/companies.lang

htdocs/langs/mk_MK/compta.lang

htdocs/langs/mk_MK/contracts.lang

htdocs/langs/mk_MK/deliveries.lang

htdocs/langs/mk_MK/donations.lang

htdocs/langs/mk_MK/ecm.lang

htdocs/langs/mk_MK/errors.lang

htdocs/langs/mk_MK/exports.lang

htdocs/langs/mk_MK/help.lang

htdocs/langs/mk_MK/hrm.lang

htdocs/langs/mk_MK/install.lang

htdocs/langs/mk_MK/interventions.lang

htdocs/langs/mk_MK/link.lang