Support training when installed as library

Set version to 0.1.1

Move scripts to perceiver package

Use Poetry for dependency management (#10)

Change build system and refactor project conguration (#9)

Upgrade to jsonargparse 4.1.x

Use latest checkpoints

Merge pull request #8 from krasserm/wip-refactor

Rename core.py to model.py

Move tokenizer module one level up

Encoder/decoder specific configuration options

CI: testing with pytest (#7)

using pre-commit for automatic code formatting (#6)

Merge pull request #5 from Borda/refactor/pkg

ci update