Feat/py03 build

[d-perl]

Adds a python module from which the ingestor can be run

install maturin and build the python wheel and module with maturin develop in a venv

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[unkcpz]

The folder hierarchy restructured in this PR seems you might want it only be a python library? Why not keep the original layout and adding a python folder and provide python lib as an extra thing? Since you provide the rust binary, if I am a user I'd prefer just to download the binary and run instead of pip install.

[d-perl]

hey @unkcpz thanks for the suggestion, I might do that. Originally this was because we need a deployment solution which works with what our linux team has set up for the beamline machines. Our ops guy asked me to make it so he could install it from PyPI, also it would help us with the dependency management from the main package in case the message format changes. But in the end we will probably package the binary as an RPM from the PSI Gitea instead, so I might change the layout again to reflect that.