OBJ_LOADER_DEMO: Add some instances to the scene
OBJ_LOADER_DEMO: Fix memory leak
OBJ_LOADER_DEMO: Add geometry instancing for deferred shading
COMMON: Correct the documentation regarding a Model's AABB
OBJ_LOADER_DEMO: Move the light spawn ranges to the full model size
OBJ_LOADER_DEMO: Spawn the light within the true AABB boundaries

Instead of adding a 10% to each side. It's somewhat misleading to the user to add
the padding. They can add the padding manually in the scene.json