Add note about file permissions

matterbridge.toml.sample

@@ -1,4 +1,5 @@
 #This is configuration for matterbridge.
+#WARNING: as this file contains credentials, be sure to set correct file permissions
 ###################################################################
 #IRC section
 ###################################################################

matterbridge.toml.simple

@@ -1,3 +1,4 @@
+#WARNING: as this file contains credentials, be sure to set correct file permissions
 [irc]
     [irc.freenode]
     Server="irc.freenode.net:6667"
@@ -16,22 +17,14 @@
 [[gateway]]
 name="gateway1"
 enable=true
-    [[gateway.in]]
+    [[gateway.inout]]
     account="irc.freenode"
     channel="#testing"
 
-    [[gateway.out]]
-    account="irc.freenode"
-    channel="#testing"
-
-    [[gateway.in]]
+    [[gateway.inout]]
     account="mattermost.work"
     channel="off-topic"
     
-    [[gateway.out]]
-    account="mattermost.work"
-    channel="off-topic"
-
 #simpler config possible since v0.10.2
 #[[gateway]]
 #name="gateway2"