[README] Make basic package description more uniform across different instances; Independent of a particular task

[classify.engine.saliency.interpretability] Implement filter for operating on specific datasets only; Implement basic analysis for interpretability

[libs.segmentation.scripts.evaluate] Only evaluate - leave view to another command; Simplify by using credible package

[scripts.upload] Make uploaded data a bit more obvious; Report size of uploaded material; Report URL of uploaded model/experiment; Move gitlab functions to dedicated module; Document dedicated module; Fix QA

[doc] Update installation instructions; Move CUDA-install manifest to separate directory; Test pip installability with uv