Add ignored cameras regex to command-line arguemnts (#849)

This adds a regex that ignores cameras if they match it, for if you have another piece of software running that needs a second camera, or if you have a webcam in your laptop that cscore hates.

photonlib-java-examples/simposeest/src/main/java/frc/robot/Drivetrain.java

@@ -130,7 +130,9 @@ public class Drivetrain {
         poseEst.resetToPose(pose, leftEncoder.getDistance(), rightEncoder.getDistance());
     }
 
-    /** @return The current best-guess at drivetrain Pose on the field. */
+    /**
+     * @return The current best-guess at drivetrain Pose on the field.
+     */
     public Pose2d getCtrlsPoseEstimate() {
         return poseEst.getPoseEst();
     }