Misc Improvements (#7)

* get rid of optional<ptr> -> double indirection

* more optional cleanup

* fix

* add more render pixel type options

* towards different views

* missing virtual declaration of ShowImage

* fix runtime

* init image view factory

* fix build

Render Image close button re-enable

add readme

init documentation

use awesomeDoxygen

ci build docs

install doxygen

id token permission

add pages write permission

lib/imaging/CMakeLists.txt

@@ -7,9 +7,13 @@ message(STATUS "OpenCV_LIBs from: " ${OpenCV_LIBS})
 
 set(IMAGELIBSRC
   IPixelariumImage.hpp
+  PixelariumImageFactory.hpp
   PixelariumImageFactory.cpp
+  impl/PixelariumJpg.hpp
   impl/PixelariumJpg.cpp
+  impl/PixelariumPng.hpp
   impl/PixelariumPng.cpp
+  impl/PixelariumCzi.hpp
   impl/PixelariumCzi.cpp
 )