APM db (+App) in NOMAD

[mkuehbach]

• If existent code snippets for RHIT parsing would be implemented and applied one time during reprocessing the APM db entries this would expose a few dozen common quantities for searching as entries in the database are more homogeneous than are those from EM cuz virtually all APM entries were measured with cameca instruments
• Adding search for iontypes
• However elements based search right now already selective enough

[mkuehbach]

• First round of refactoring NXapm proposal for the Autumn NIAC 2024 proposal (second round will be based on the NIAC feedback)
• How to deal with incomplete NeXus files due to constraints
• Implemented refactoring due to refactored NXapm
• Test mapping uint and posint to int64 within pynxtools as a pragmatic solution for now
• Run-through NOMAD example
• Run-through Cameca tests
• Copy over app code from DevNotes.txt into python file
• Wait for Lauri and Sandor on changes related to search quantities
• Revert nomad deps in pynx-apm and pynx-core respectively
• Ruff ?
• Commit and merge pynxtools apm_app branch
• Commit and merge pynxtools_apm apm_app branch
• Run-through with all examples
• Release pynxtools_apm v0.3
• Check that no accidental dev code ends up in NOMAD feature branch and merge that feature branch into develop