feat(doc/time/README):Replace ntpsec/ntp with chrony
-rw-r--r-- 3159 README.org
-rw-r--r-- 670 TODO.org
drwxr-xr-x - archive
drwxr-xr-x - doc
drwxr-xr-x - exec
drwxr-xr-x - img
drwxr-xr-x - ref