* Fixesviktorstrate/photoview#8
- Added new property CounterpartPath to Media struct to hold the path to the counterpart JPEG file (if any)
- Added new MediaType method isBasicSupportedisBasicTypeSupported()
- Added new function isFileExists() to minimize the code duplication
* Fixesviktorstrate/photoview#8
- Chaned CounterpartPath definition from string to *string
- Added new helper method FileExtensions()
- Simplified the logic inside scanForRawCounterpartFile() and scanForCompressedCounterpartFile() functions, reducing the code duplication
* Fixesviktorstrate/photoview#8
- Added debug to fileExists() function
* Cleanup fileExists logging
Co-authored-by: viktorstrate <viktorstrate@gmail.com>