[ImgBot] Optimize images (#37)

*Total -- 1,280.79kb -> 920.56kb (28.13%)

/driver/slimevr/resources/rendermodels/example_controller/example_controller.png -- 1,054.07kb -> 703.78kb (33.23%)
/driver/slimevr/resources/icons/tracker_status_standby_alert.b4bfb144.png -- 9.16kb -> 8.47kb (7.56%)
/driver/slimevr/resources/icons/tracker_status_standby.b4bfb144.png -- 8.80kb -> 8.19kb (6.95%)
/driver/slimevr/resources/icons/tracker_status_error.b4bfb144.png -- 8.43kb -> 7.88kb (6.62%)
/driver/slimevr/resources/icons/tracker_status_ready_low.b4bfb144.png -- 8.56kb -> 8.00kb (6.49%)
/driver/slimevr/resources/icons/tracker_status_ready_alert.b4bfb144.png -- 8.08kb -> 7.57kb (6.31%)
/driver/slimevr/resources/input/example_controller_right.svg -- 92.57kb -> 88.27kb (4.65%)
/driver/slimevr/resources/input/example_controller_left.svg -- 91.11kb -> 88.41kb (2.97%)

Signed-off-by: ImgBotApp <[email protected]>
Co-authored-by: ImgBotApp <[email protected]>
Co-authored-by: Butterscotch! <[email protected]>

Author: 3 people