Ffenmass

- Added more extensions to the extension filter list.

- Rich and ffpb are now dependencies.
- Added a file filter, now only media files will be parsed when scanned.
- Using ffbp for a progress bar because I dont want to make one.
- Using Rich to make text prettier.
- Yaspin no longer a dependency, replaced by ffbp.
- Code cleaned up, file related functions are under their own Class.
- Small changes to comments to be more thorough.

- Parsing FFmpeg input to display speed.
- Fixed exit bug when creating non-existing output folder.

- Migrated from os.path over to pathlib.(yay)
- Added additional required argument `-ext`.
- FFenmass now handled file extensions
- `-f` argument is no longer required by ffenmass and is not checked.
- Some ground work to prepare for windows testing and debuging.
- Updated Readme with better examples.
- Additional Code docs to help me mostly.

- FFenmass will now clean after itself, if interupted during processing, the item that was last in progress will be deleted.
- FFenmass will skip files that already exist with the same filename in the output directory.
- Encoding queue is now sorted alphanumerically.
- Yaspin is now a dependency.
- TQDM is now a dependency.
- Prettyfied output.
- FFmpeg is now mute (again).

- Made ffmpeg less verbose using -hide_banner
- FFenmass will now clear the terminal after each encode bc ffmpeg talks too much
- Made a less ugly and proper Readme