Added
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- coding style guidelines for naming things
- human readable file sizes in vcs file browser
- statistics page for vcs repositories
- tokei as optional dependency for repository statistics

Changed
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- update Scala to 3.3.4
- lots of dependency updates
- migrate to Monocle optics library from Quicklens

Fixed
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- possible test error due to local development configuration

Removed
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- unused imports
- showing size of directories (bytes) in the vcs file browser