Move solution and projects to src

src/Ryujinx.Graphics.Vulkan/Shaders/ColorBlitClearAlphaFragmentShaderSource.frag

@@ -0,0 +1,11 @@
+#version 450 core
+
+layout (binding = 0, set = 2) uniform sampler2D tex;
+
+layout (location = 0) in vec2 tex_coord;
+layout (location = 0) out vec4 colour;
+
+void main()
+{
+    colour = vec4(texture(tex, tex_coord).rgb, 1.0f);
+}