Add typing to all functions, methods?

[MNasert]

[MNasert]

Put emphasis on all

[MNasert]

I noticed inconsistent or missing typing in many functions and/or methods, reducing readability. for jit-ed functions this may also impact performance, i need to look into if typing changes the jit

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/dataloader.py#L120

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/dataloader.py#L280

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/dataloader.py#L129

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/fastcfg.py#L3

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L16

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L44

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L149

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L162

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L174

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L205

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L252

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/tools.py#L267

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/search_methods/fastexplain.py#L8

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/search_methods/fastexplain.py#L36

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/search_methods/fastexplain.py#L79

https://github.com/MNasert/dfki-verbalizer/blob/9baf4c4f65b1a78e68da4475128b7d78a88ca6e8/src/search_methods/fastexplain.py#L119

... the list goes on