Merge branch 'master' of https://github.com/Tentacule/PgsToSrt

Override liblept name and version (Tentacule#39)

* override liblept name/version

Tesseract5 support (Tentacule#37)

* added tesseract 5 support

* added tesseract version log

* set tesseract version 4 as default for non windows platform

* fixed default tesseract version

* updated doc

Tesseract engine use default setting (Tentacule#26)

added mks support (Tentacule#23)

improved error log

moved to Tncl.NativeLoader 1.0.5 - should fix missing libdl.so

updated version to 1.2.0.0

improved windows support + dispose native libraries.

Improve linux support (Tentacule#4)

* Added tesseract .net wrapper

* Use SixLabors.ImageSharp to remove libgdiplus dependancy

* code cleanup

* use standard lib name on unix