Updated default PIDs to those best for standard car

Optimized and tested on standard Exceed Magnet

donkeycar/templates/cfg_path_follow.py

@@ -644,9 +644,9 @@
 PATH_SEARCH_LENGTH = None           # number of points to search for closest point, None to search entire path
 PATH_LOOK_AHEAD = 1                 # number of points ahead of the closest point to include in cte track
 PATH_LOOK_BEHIND = 1                # number of points behind the closest point to include in cte track   
-PID_P = -0.5                        # proportional mult for PID path follower
+PID_P = 0.35                        # proportional mult for PID path follower
 PID_I = 0.000                       # integral mult for PID path follower
-PID_D = -0.3                        # differential mult for PID path follower
+PID_D = 0.1                        # differential mult for PID path follower
 PID_THROTTLE = 0.50                 # constant throttle value during path following
 USE_CONSTANT_THROTTLE = False       # whether or not to use the constant throttle or variable throttle captured during path recording
 PID_D_DELTA = 0.25                  # amount the inc/dec function will change the D value