asterisk: 24.0.0-rc2 image built from source with static config

Adds stub configs and noloads so a clean boot logs no ERROR lines,
ships stock indications.conf, seeds default MOH from the entrypoint.
Spec 01 synced with the real files.

Task: M0-T5

asterisk/conf/logger.conf

@@ -0,0 +1,6 @@
+[general]
+dateformat = %F %T.%3q
+[logfiles]
+console => notice,warning,error,verbose
+messages.log => notice,warning,error
+security.log => security        ; for fail2ban/CrowdSec