Added shaders from i-mic-fps, preload shaders if cyberarm_engine/opengl has been required.

assets/shaders/vertex/lighting.glsl

@@ -0,0 +1,17 @@
+#version 330 core
+@include "light_struct"
+
+layout (location = 0) in vec3 inPosition;
+layout (location = 1) in vec2 inTexCoords;
+
+uniform sampler2D diffuse, position, texcoord, normal, depth;
+uniform Light light[1];
+
+out vec2 outTexCoords;
+flat out Light outLight[1];
+
+void main() {
+  gl_Position = vec4(inPosition.x, inPosition.y, inPosition.z, 1.0);
+  outTexCoords = inTexCoords;
+  outLight = light;
+}