Update AOV support, ray intersection logic, and README

Added:
- AOV support for normals, albedo, and depth marked as completed.
- New function `normal_unpack` in `BSDF.h`.
- New field `esp` in `ray_t` structure in `RayIntersection.h`.

Changed:
- Updated `normal_ts_to_ws` to accept an additional parameter.
- Refactored `weight_nee_light` for clarity.
- Modified `RAY_EPSILON` for improved precision.
- Updated `path_output` structure to include a `normal` field.
- Normalized unpacked normal vector in `normal_unpack` function.
- Updated `path_trace` to use closest hit ray intersection.
- Updated `render_aov` to utilize closest hit logic.
- Modified `ray_create` to initialize `esp` based on ray origin.
- Improved accuracy in `offset_ray_origin` calculations.
- Updated ray intersection logic in `ray_intersect_triangle` and `ray_intersect_aabb` to include epsilon checks.
- Updated `evaluate_bsdf_directional` and `evaluate_bsdf_const_sky` for shadow rays.
- Adjusted `sample_bsdf_simple_lit` for incoming light direction calculations.
- Enhanced `render_pixel` to manage AOV flags effectively.
- Changed camera rotation and light intensity in `scene_setup`.
- Simplified texture loading by removing unnecessary sRGB conversion.

Modified:
- Several binary image files have been updated.

source/main.c

@@ -25,14 +25,14 @@ static bool scene_setup(scene_t* scene)
     }
 
     scene->camera.position = (vec3s){7.5f, 2.0f, 0.0f};
-    scene->camera.rotation = euler_to_quat(-10.0f, 90.0f, 0.0f);
+    scene->camera.rotation = euler_to_quat(10.0f, 90.0f, 0.0f);
 
     // TODO: Standardize light unit
     light_entity_t sun = light_create_directional_light(&scene->lights);
     directional_light_t* sun_light = &scene->lights.directional_lights[sun.id];
     sun_light->direction = glms_vec3_normalize((vec3s){0.6f, 1.0f, 0.25f});
     sun_light->color = (vec3s){1.0f, 0.93f, 0.87f};
-    sun_light->intensity = 0.0f;
+    sun_light->intensity = 1.0f;
     sun_light->angular_diameter = 0.53f;
 
     //scene->lights.sky_light = sky_create_constant_sky(&(constant_sky_data_t)