Merge branch 'develop' into 43-multi-threading

projects/first_mesh/resources/shaders/vert.spv

projects/first_mesh/src/main.cpp

projects/first_scene/CMakeLists.txt

projects/first_scene/assets/Sponza/Sponza.bin

projects/first_scene/assets/Sponza/Sponza.gltf

projects/first_scene/assets/Sponza/SponzaFloor.bin

projects/first_scene/assets/Sponza/SponzaFloor.gltf

projects/first_scene/assets/Sponza/background.png

projects/first_scene/assets/Sponza/chain_texture.png

projects/first_scene/assets/Sponza/lion.png

projects/first_scene/assets/Sponza/spnza_bricks_a_diff.png

projects/first_scene/assets/Sponza/sponza_arch_diff.png

projects/first_scene/assets/Sponza/sponza_ceiling_a_diff.png

projects/first_scene/assets/Sponza/sponza_column_a_diff.png

projects/first_scene/assets/Sponza/sponza_column_b_diff.png

projects/first_scene/assets/Sponza/sponza_column_c_diff.png

...ts/first_scene/assets/Sponza/sponza_curtain_blue_diff.png

projects/first_scene/assets/Sponza/sponza_curtain_diff.png

...s/first_scene/assets/Sponza/sponza_curtain_green_diff.png

projects/first_scene/assets/Sponza/sponza_details_diff.png