+ Particle: Objective aura
+ GUI Image: Follow-Active sprite
+ New tag: "sand" (for the terrain for recognizing sand ground***)

CHANGED:
> Few changes to PlayerSound script

NOTE***
> Still currently working on getting different-ground sound script to work.

+ Textures: Pull & Push Brothers including default face texture.
+ Texture: Cargo Container
+ Texture: Scaffolds (Default, Wall-A and Wall-B)
+ Unity Package: Sky5x (Skybox collection)

CHANGED:
> Temporarily using a skybox from the sky5x package

==========
+ Backtracking path for enemy robot puzzle
+ Terrain Textures (1 x cliff, 3 x sand)
+ Invisible walls surrounding the terrain.
+ Several toon materials for various objects with color placeholders.

==========
CHANGED:
==========
> Terrain has been painted with textures (work-in-progress).
> Most objects now have toon material (Proper textures work-in-progress).
> Player 1 (Pull) is temporarily using the character model with cel-shaded texture.
> Player 2 (Push) is temporarily using the character model with simple blue toon material.
> Both players' cubes have been disabled.
> Both players' capsule collider shape have been readjusted.
> Easter egg changed (?!).

==========
KNOWN ISSUES:
==========
- Toon-shaded objects ignore objects that are meant to cast shadows & block the global sun.
  (E.g. If the player is behind a box, the sun will still radiate on their back)
- Player movement and jump are still too fast and floaty respectively.
  (Older scripts may still be in effect).
- Character models are slightly misaligned slightly towards the left of the camera view
  (Appears sort of like over-the-shoulder view. Intentional?).