Extend manage script

[ci skip]

manage

@@ -43,6 +43,14 @@ case "$1" in
 		fi
 		create_new_song
 		;;
+	edit)
+		if [ "$#" -eq 2 ]; then
+			$EDITOR "content/$2/$2.cho"
+		else
+			echo -e "Missing song name\n"
+			usage
+		fi
+		;;
 	help)
 		usage
 		;;

readme.md

@@ -40,9 +40,6 @@ The `manage` shell script lets you do basic song management and saves you some
 manual labour. Simply run the script itself or invoke `help` to get a list of
 all available commands.
 
-For now the script only supports creating new songs, which it does in an
-interactive way by asking for important data and filling all needed templates.
-
 ```
 ./manage help
 Usage: ./manage <command> [options]