Gitignore correction
Adding Doxygen generation at build

Adding an html documentation generation when building in realese x64
Thread safe imgui disabled
imgui rendering sketch
imgui drawing
input race condition fixed
Configuration adding .dox files at input

.dox files in the Documentation\configuration folder are now read by
Doxygen
naive imgui integration
merge with deferred and camera freefly
Engine class first documentation
Merge remote-tracking branch 'origin/documentation'
texture conversion and load fixed
merge
performance tests
Merge pull request #256 from Another-Game-Engine/assets_editor_2

Imgui + texture + specular
specular in progress, some refund
Merge branch 'master' into deffered_shading
spend the entire day to run after ghost !!! losing time
all thing fix :)