Move shaders into glsl and hlsl directories

Move `data/shaders` to `data/shaders/glsl`
Move `data/hlsl` to `data/shaders/hlsl`

Fix up shader paths in the cpp files to point to the new glsl location.

`data/shaders/hlsl/compile.py` still overwrites the glsl .spv files (for
now).

Issue: #723

data/shaders/glsl/dynamicuniformbuffer/base.vert

@@ -0,0 +1,30 @@
+#version 450
+
+layout (location = 0) in vec3 inPos;
+layout (location = 1) in vec3 inColor;
+
+layout (binding = 0) uniform UboView 
+{
+	mat4 projection;
+	mat4 view;
+} uboView;
+
+layout (binding = 1) uniform UboInstance 
+{
+	mat4 model; 
+} uboInstance;
+
+layout (location = 0) out vec3 outColor;
+
+out gl_PerVertex 
+{
+	vec4 gl_Position;   
+};
+
+void main() 
+{
+	outColor = inColor;
+	mat4 modelView = uboView.view * uboInstance.model;
+	vec3 worldPos = vec3(modelView * vec4(inPos, 1.0));
+	gl_Position = uboView.projection * modelView * vec4(inPos.xyz, 1.0);
+}