* gnu/services/file-sharing.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add it. * po/packages/POTFILES.in: Add it. * tests/services/file-sharing.scm: New file. * Makefile.am (SCM_TESTS): Add it. * doc/guix.texi (File-Sharing Services): New section. Signed-off-by: 宋文武 <iyzsong@member.fsf.org>