Merge branch 'master' into RAP-199

docs/source/pipelineoverview_old.rst

docs/source/polalign.png

docs/source/polalign_amp_polXX.png

docs/source/polalign_ph_polXX.png

docs/source/polalign_ph_poldif.png

docs/source/polalign_rotangle.png

docs/source/positional_offsets_sky.png

docs/source/prefactor_CWL_workflow_sketch.png

docs/source/prefactor_workflow_sketch.png

docs/source/preparation.rst

docs/source/running.rst

docs/source/running_old.rst

docs/source/structure.png

docs/source/target.rst

docs/source/target_field.png

docs/source/target_old.rst

docs/source/targetscheme.png

docs/source/tec.png

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docs/source/uv-coverage.png