V1 - 20 Sept 20

• multi-mesh objects can be loaded w/ normals

V2 - 24 Sept 20

• Diffuse and Normal Maps have been added
• Fixed lighting

Diffuse	Normal Map	Normal Map w/ specular

V2.1 - 25 Sept 20

• fixed normal and tanget generation

V2.2 - 27 Sept 20

• objects with multiple materials per mesh and no textures can now be loaded
• Orbital and static light sources have been added (their color can be changed from Dear ImGUI)