Added job component and queue system

- Introduced a new JobComponent and JobQueue to manage jobs in the game.
- Created two new jobs: DigJob and InfectJob with their respective scripts.
- Updated CrystalGlowComponent, FreeCameraComponent, MushroomGlowComponent, WaterEffectComponent to improve logging messages.
- Adjusted camera movement limits in FreeCameraGameCameraComponent for better control.
- Added FiniteStateMachine class for managing states of entities.
- Implemented GlowingIdle state as an example of using the state machine.
- Included a utility function to fetch file paths by extension from a directory.

components/jobs/scripts/infect.gd

@@ -0,0 +1,10 @@
+extends Job
+class_name InfectJob
+
+func _init() -> void:
+	job_name = "Infect"
+	job_description = "Infect some roots"
+	super._init()
+
+func _ready() -> void:
+	Log.pr("Infect job added to the scene...")