Franzbischoff document improvements (#241)

* cosmetic changes to be compatible to hadolint

* common configuration for most editors until better plugins comes up

* Changes on PDF metadata, using PyMuPDF (faster and more compatible)

* small changes on other file ingestions in order to try to keep the fields equal

* Lint, review, and review

* fixed unknown chars

* Use PyMuPDF for pdf loading for 200% speed increase
linting

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Co-authored-by: Francisco Bischoff <franzbischoff@gmail.com>
Co-authored-by: Francisco Bischoff <984592+franzbischoff@users.noreply.github.com>