* Find existing files with case insensitivity if filesystem is case insensitive
* Handle case change in folders
* Optimise to only test file system case sensitivity if the first query found nothing
This limits the overhead to new paths, and adds an extra query for new paths to windows installs
* Add findFile and findFiles
* Add parent folder and zip file fields to file graphql types
* Add parent_folder, zip_file fields to Folder graphql type
* Add format to ImageFile type
* Add format filter fields to image/video file filters
* Add mockery config file
* Move basic file/folder structs to models
* Fix hack due to import loop
* Move file interfaces to models
* Move folder interfaces to models
* Move scene interfaces to models
* Move scene marker interfaces to models
* Move image interfaces to models
* Move gallery interfaces to models
* Move gallery chapter interfaces to models
* Move studio interfaces to models
* Move movie interfaces to models
* Move performer interfaces to models
* Move tag interfaces to models
* Move autotag interfaces to models
* Regenerate mocks
