* introduce importmaps
This commit introduces importmaps. They allow to use modern javacript ESM within rails without webpack, yarn etc.
see https://github.com/rails/importmap-rails for more details.
Co-authored-by: Philipp Rothmann <philipprothmann@posteo.de>
Co-authored-by: FGU <fgu@pragma-shift.net>
* fix: rubocop violations
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Co-authored-by: FGU <fgu@pragma-shift.net>
