Drawing a textured quad

Added new assets
Loaded all texture assets into game state
Loaded the basic pipeline
Setup a hard-coded quad to test drawing
Created a very jank vertex struct
Added ReadEntireFile for filesystem
Added getting file size from file handle
Added a descriptor pool to each in flight frame
Changed Vk_BufferCreate to handle multiple uses
Added shader building to the windows.bat build script

code/vulkan/shaders/basic.frag

@@ -0,0 +1,12 @@
+#version 460 core
+
+layout(location = 0) in vec2 frag_uv;
+layout(location = 1) in vec4 frag_c;
+
+layout(location = 0) out vec4 framebuffer;
+
+layout(binding = 1) uniform sampler2D u_image;
+
+void main() {
+	framebuffer = frag_c * texture(u_image, frag_uv);
+}