Extend protocol with info modules

docs/protocol.txt

@@ -21,7 +21,7 @@ b bb bbbbbbbb
 priority bit (so that each type can send priority messages if need be)
 
     type:
-    - 0 controller; module ID is ignored
+    - 0 module-ID 0: controller, >0: info
     - 1 puzzel
     - 2 needy
     - 3 reserved for future use
@@ -68,6 +68,15 @@ Types for controller:
 
 - - - - - - - - - - - - - - - - - - -
 
+Types for info:
+
+    These are managed by MOANA: the Modules of OBUS Authority for Numbers Assignment.
+    You can reach MOANA in the ~obus Mattermost channel.
+
+    (none yet)
+
+- - - - - - - - - - - - - - - - - - -
+
 Types for modules:
 
     - 0 hanlo