Improve configuration file

Author: mblaschke

README.md

@@ -27,3 +27,7 @@ Help Options:
   -h, --help           Show this help message
 
 ```
+
+## Configuration
+
+see [etc/go-syslog.yml](etc/go-syslog.yml) for an example.

etc/go-syslog.yml

@@ -1,13 +1,23 @@
 ---
 
+# Syslog daemon
 syslog:
+
+  # Path to socket (default)
   path: "/dev/log"
+
+  # Permissions
   perms: 0666
+
+  # Message filtering
   filter:
     facility: "auth,authpriv"
+
+  # Output manipulation
   output:
     template: "[SYSLOG] %s"
 
+# Named pipes (FIFO, multiple allowed)
 pipes:
   -
     path: /docker.stdout
@@ -18,4 +28,4 @@ pipes:
     type: stderr
     perms: 0666
     output:
-      template: "[STDERR] %s"
+      #template: "[STDERR] %s"