V.02 Update: Alpha Release

[ADD]

- New Room

- New NPC

- New Dialog

- Some dialog choices are deleted/unlocked upon completing quests.

- Inventory System with display of gained Item

- Camera Transition in Hallway with Cinemachine

[CHANGE]

- Improve Player Spawner System.

- Remove Outline for lamps.

- Change Hallway's layout.

- Minor placeholder scripts revision.

- Improve Pop-up text to move with camera transition (instead of static UI Canvas).

[FIX]

- Improve flexibility of codes by decoupling through Event System.

- Stairways are responsive depends on mouse click; Player will move up/down according to mouse click.

- Camera start in the incorrect position.

- Other bug fixes