Improve overall documentation

assets/supervisord.conf

@@ -14,12 +14,15 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+# Run in the foreground to keep the container running.
 [supervisord]
 nodaemon=true
 
+# Manage the Seafile daemon.
 [unix_http_socket]
 file=/seafile/seafile-data/seafile.sock
 
+# Manage the infinite `seaf-cli start`.
 [program:seaf-cli-start-loop]
 command=/bin/bash /infinite-seaf-cli-start.sh
 process_name=%(program_name)s