[Feature] Mipmaps (Real-time Rendering Delivery)

[Scene] Scene population and camera movement definition

[Feature] Camera Animations and Configurable Rendering Size

[Refactor] Meshes are only loaded once and reused for RenderItems

[Feature] Shadow Mapping with PCF

Scene JSON loading

[Feature] Skybox, AssetManager/json loader and specular bugfix

[Feature] keyboard debug camera controls

[Refactor] Time class extraction, InputManager is now a singleton

[Feature] Normal Mapping

[Refactor] Removed unnecessary includes

[Refactor] Application to Graphics, RenderItem and InputManager

Graphics + RenderItem Start

Point Lights done with specular illumination too

specular lighting fix