* Make a protobuf based backup system, restore not tested
* Fix a number
* Remove uneeded change
* Remove more uneeded changes
* Use 1.x style models, backup should be 100% compatible with the 1.x backups
* Fix restore service not running
* Fix offline chapter restore
Cleanup saved searches restore(untested)
* Implement onlione/offline option, fix merged manga restore online, fix restore total
* Allow setting auto backup to use a full backup
* Fix for saved searches restore
* Edit some comments
* Convert flows back to observables
* Fix a model
* Fixes and comment only the SY specific things
* Move SY values range to 600 from 60
* Combine legacy and full backup services into one
Deduplicate a lot of code
Simplify a lot of stuff
Modify comments
* Cleanup
* Remove unneeded protobuf config edit because its now the default
* Migrate to kotlinx.serialization for backup saved searches
* Cleanup saved searches more, move gson type adapters to the legacy package
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