add bot.cfg to gitignore, because I think the defaults are reasonable for the moment, will will force add it if necessary.

.gitignore

@@ -1,2 +1,3 @@
 log.txt
 .botinput
+bot.cfg

bot.cfg

@@ -1,6 +1,7 @@
 #enter channels here in quotes before the )
 channel=(
   "a11y"
+  "2mb"
 )
 # The date format for log entries. man date for details.
 dateFormat='%B %d, %I:%m%P'