Update README.md

Merge branch 'develop'

Implemented a blur background shader instead of using the depth of field effect

Merge branch 'feature/photo-mode' into develop

Added keyboard shortcut to active the photo mode

Use the correct position of the free camera when it's the photo mode

Implemented the exposure weight in the photo mode

Implemented the save photo feature

Implemented the speed of the free camera

Started to implement the photo mode

Added tooltip on each settings to describe the effect

Added a new option to configure the render distance in settings

Implemented SkyboxManager

Merge branch 'features/rebind-input_system' into develop

Fixed rebind keys with the new Input System