ENH: increase stack memory for main thread

BUG: rectify process_yaw_input args

ENH: added rc input to control rotation

ENH: added support for all orientation for platform imu

ENH: added all orientations for imu cam

ENH: add threshold check to avoid bias rotation in yaw

Update README.md

ENH: add command description

CLN: set default gimbal mode to LOCK and give user access to FOLLOW Mode

ENH: added LOCK, PAN, FOLLOW modes

CLN: remove auto yaw angle correction, add later into modes

ENH: added yaw platform imu correction to yaw motor

BUG: remove unlock and lock sequence during erase

BUG: change orientation to int for access and rectify imu 2 access

ENH: added relative yaw and relative pitch for relative gyro calculation and precise control