This is the blur script for the build-in render pipeline, if using other pipelines this can be safely removed as it isn't supported.
AK Interactor
This is the raycast script which will detect interactive objects with the tag, you can control the:
Interact Distance: How far away you are from an object to be able to interact
InteractableTag: The tag used for interactive object
Physics Raycaster
This is used to detect the Padlock spinners, so they can be interacted with. As they're physical objects that need to move - It should also have the EventMask layer of Padlock Spinner
AK Camera Zoom
This is a component that can be enabled or disabled to zoom the camera with a right click, it changes FOV distance of the main camera, you can set speed and default values. Even set the legacy input setting for the script