Add textures

Textures supported

graphics/shaders/shader.frag

@@ -1,12 +1,14 @@
 #version 450
 
-layout(binding = 1) uniform sampler2D texSampler;
+/* Each time texture count is changed this value also need to change. I have to fix it somehow. */
+layout(binding = 1) uniform sampler2D texSampler[1];
 
 layout(location = 0) in vec3 fragColor;
 layout(location = 1) in vec2 fragTexCoord;
+layout(location = 2) in flat uint instanceTextureId;
 
 layout(location = 0) out vec4 outColor;
 
 void main() {
-    outColor = texture(texSampler, fragTexCoord);
+    outColor = vec4(fragColor * texture(texSampler[instanceTextureId], fragTexCoord).rgb, 1.0);
 }