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/res_parking.conf

@@ -0,0 +1,14 @@
+[general]
+parkeddynamic = no
+
+[default]
+parkext = 700
+parkpos = 701-720
+context = sp-parkedcalls
+parkingtime = 120
+comebacktoorigin = yes
+comebackdialtime = 30
+parkedmusicclass = default
+findslot = next
+parkext_exclusive = no
+parkinghints = yes