Big Boy clean up

.gitignore

RWR/src/assets/10_left_link3_config_step_1.png

RWR/src/assets/11_left_link3_config_step_2.png

RWR/src/assets/12_robot_back_overview.png

RWR/src/assets/13_robot_back_angle_directions.png

RWR/src/assets/14_right_link1_config_step_1.png

RWR/src/assets/15_right_link1_config_step_2.png

RWR/src/assets/16_left_link1_config_step_1.png

RWR/src/assets/17_left_link1_config_step_2.png

RWR/src/assets/1_robot_right_links.png

RWR/src/assets/2_right_straight_links.png

RWR/src/assets/3_right_link_angles_example.png

RWR/src/assets/4_right_link2_config_step_1.png

RWR/src/assets/4_right_link2_config_step_2.png

RWR/src/assets/5_right_link3_config_step_1.png

RWR/src/assets/6_right_link3_config_step_2.png

RWR/src/assets/7_robot_left_overview.png

RWR/src/assets/8_left_link2_config_step_1.png

RWR/src/assets/9_left_link2_config_step_2.png

RWR/src/assets/custom_shoulder_assembly.jpg