* Implement data model and basic UI for repetition rules
* Implement tooltip
* Allow to update and write test
* Stop processing the first repetition until having waited at least the frequency amount
* Set up email dev server reload
* Test pro only
* Allow to toggle repetition using token
* Remove unused
* Add last active
* Simplify nextActive calculation
* Create weekly digest repetition rules for existing users
* Fix style
* Fix link
* Create default repetition rule upon signup
* Get notes with thresholds
* Fix test
* Fix test
* Allow to rename books
* Avoid mutating the flag variable
* Validate book name upon edit
* Write integration test
* Add missing licenses
* Mark book as dirty upon renaming so it can be synced
* Remove TODO that is no longer needed
* Require explicit configuration for database connection
* Test validation
* Remove stutter
* Only use packr for self hosting
* Restart server upon change