Update config options a little more, add note in readme to modify them

docs/README

@@ -25,7 +25,8 @@ Copy the example config file to ircd.yaml with a command like:
 
     $ cp oragono.yaml ircd.yaml
 
-Modify the config file as you like.
+Modify the config file as you like. In particular, the `connection-throttling` and
+`connection-limits` sections are working looking over and tuning for your network's needs.
 
 To generate passwords for opers and connect passwords, you can use this command:
 

oragono.yaml

@@ -98,13 +98,13 @@ server:
         cidr-len-ipv4: 32
 
         # how wide the cidr should be for IPv6
-        cidr-len-ipv6: 128
+        cidr-len-ipv6: 64
 
         # how long to keep track of connections for
         duration: 10m
 
         # maximum number of connections, per subnet, within the given duration
-        max-connections: 64
+        max-connections: 32
 
         # how long to ban offenders for, and the message to use
         # after banning them, the number of connections is reset (which lets you use UNDLINE to unban people)