ability to disable tracking altogether, small comment changes

base-config.yaml

@@ -10,6 +10,8 @@ warn_threshold_days: 30
 # number of days of inactivity to be considered in the "danger zone"
 kick_threshold_days: 60
 
+# track users? if false, will disable all tracking and avoid writing anything to the database.
+track_users: True
 
 # track messages? if false, will not track user activity timestamps. enable if you'd like to track
 # inactive users in your community
@@ -39,6 +41,7 @@ invitees:
 # you can use {user} to reference the joining user in this message using a
 # matrix.to link (rendered as a "pill" in element clients)
 # html formatting is supported
+# set to {} if you don't care about greetings
 greetings:
   generic: |
     Welcome {user}! Please be sure to read the topic for helpful links and information.
@@ -50,6 +53,7 @@ greetings:
 # which of the above greetings should be used in which rooms? use the exact name of each greeting
 # you've assigned, e.g. 'generic' or 'encrypted'. you must use the room ID here.
 # enter 'none' to avoid sending a message, but still be notified in the notification_room listed below.
+# set to {} if you don't care about greetings or join notifications
 greeting_rooms:
   '!someroomid:server.tld': generic
   '!someotherroom:server.tld': generic