Add support for NoteblockAPI's `PositionSongPlayer` (#422)
* Add support for NoteblockAPI's `PositionSongPlayer`
* Add examples
* Add default meta
* Add default meta 2, electric boogaloo
* Update file reading and revert POM change
* Remove unused import
* Remove `scriptEntry` from `echoError`
* Fix error + more meta/syntax changes
* Revert syntax change
(
commit: cdcca3e)
