Vulkan: compile HLSL/GLSL to SPIRV at runtime

[GoldNotch]

Right now, renderer can upload only SPIRV shaders. And it requires to be pre-compiled with script

Requirement:

1. upload GLSL text to a memory and compile it into SPIRV byte-code
2. upload HLSL text to a memory and compile it into SPIRV byte-code
3. Create class ShaderCompiler which can do this functional