* Make config instance-based
* Remove config dependency in paths
* Refactor config init
* Allow startup without database
* Get system status at UI initialise
* Add setup wizard
* Cache and Metadata optional. Database mandatory
* Handle metadata not set during full import/export
* Add links
* Remove config check middleware
* Stash not mandatory
* Panic on missing mandatory config fields
* Redirect setup to main page if setup not required
* Add migration UI
* Remove unused stuff
* Move UI initialisation into App
* Don't create metadata paths on RefreshConfig
* Add folder selector for generated in setup
* Env variable to set and create config file.
Make docker images use a fixed config file.
* Set config file during setup
* Add regex string filter criterion
* Use query interface for auto tagging
* Use Query interface for filename parser
* Remove query regex interfaces
* Add selective auto tag
* Use page size 0 as no limit
make delete logging info instead of debug
update the logged text for clarity when deleting db data
changed from "delete" to "cleaning" to clarify the actual type of action taken
