np-subsonic: docs, user-agent

.config/zsh/functions/np-subsonic

@@ -1,6 +1,6 @@
 #!/usr/bin/env zsh
 # get now playing from subsonic compatible API
-# cfg file: host\nuser\password
+# cfg file: host\nuser\password (host=everything before /rest)
 
 setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL
 
@@ -11,7 +11,7 @@ done < ${XDG_CONFIG_HOME:-~/.config}/np-subsonic.cfg
 
 local host=${cfg[1]}
 local api_version=1.16.1
-local useragent=np-hack
+local useragent=np-subsonic
 local user=${cfg[2]}
 local password=${cfg[3]}
 local salt=$(pwgen 20 1)