[#59] Added comment to explain used version and moved weird subproject into config directory

Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>

config/lib/VulkanMemoryAllocator.cmake

@@ -11,7 +11,7 @@ if (EXISTS "${vkcv_lib_path}/VulkanMemoryAllocator-Hpp")
 	set(VMA_DEBUG_GLOBAL_MUTEX OFF CACHE INTERNAL "")
 	set(VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT OFF CACHE INTERNAL "")
 	
-	add_subdirectory(vma)
+	add_subdirectory(${vkcv_config_lib}/vma)
 	
 	list(APPEND vkcv_libraries VulkanMemoryAllocator)
 	list(APPEND vkcv_includes ${vkcv_lib_path}/VulkanMemoryAllocator-Hpp)

src/vkcv/Context.cpp

@@ -320,6 +320,13 @@ namespace vkcv
 				nullptr,
 				nullptr,
 				instance,
+				
+				/* Uses default version when set to 0 (currently VK_VERSION_1_0):
+				 *
+				 * The reason for this is that the allocator restricts the allowed version
+				 * to be at maximum VK_VERSION_1_1 which is already less than
+				 * VK_HEADER_VERSION_COMPLETE at most platforms.
+				 * */
 				0
 		);