Tospotify

What's Changed
* Upgrade pypi workflow by radujica in https://github.com/radujica/tospotify/pull/28
* Use os-agnostic path.abs check by radujica in https://github.com/radujica/tospotify/pull/31
* Split on dash surrounded by spaces first by radujica in https://github.com/radujica/tospotify/pull/32
* Update build logo path by radujica in https://github.com/radujica/tospotify/pull/35
* Bump version by radujica in https://github.com/radujica/tospotify/pull/36


**Full Changelog**: https://github.com/radujica/tospotify/compare/0.3.2...0.3.4

- bump version
- update readme
- add utf-8 convert option
- make sure files are parsed as utf-8
- pull out playlist name extractor
- first update outline & tests with m3u8 extension
- add overall test
- validate file extension
- validate empty playlist file