Move back to C

I'm insane and as such I have moved to C AGAIN! Without any reason.

graphics/CMakeLists.txt

@@ -44,17 +44,17 @@ ${CMAKE_SOURCE_DIR}
     ${glfw3_INCLUDE_DIR}
 )
 
-message("Vulkan_INCLUDE_DIR: ${Vulkan_INCLUDE_DIR}")
 target_sources(rse_graphics PRIVATE
-src/window.cpp
-src/vulkan_base.cpp
-src/vulkan_pipeline.cpp
-src/vulkan_buffers.cpp
-src/vulkan_descriptors.cpp
-src/rse_graphics.cpp
+src/vma_port.cpp
+src/window.c
+src/vulkan_base.c
+src/vulkan_pipeline.c
+src/vulkan_buffers.c
+src/vulkan_descriptors.c
+src/rse_graphics.c
 src/rse_math.c
-src/mesh_controller.cpp
-src/vulkan_commons.cpp
+src/mesh_controller.c
+src/vulkan_commons.c
 )
 
 target_link_libraries(rse_graphics PRIVATE