feat: adds franka state bindings and and state observation #30

Job	Run time
check-paths	8s
pythonpackage	3m 16s
build_cpp_extensions (rcs_so101)	3m 24s
build_cpp_extensions (rcs_panda)	3m 9s
build_extensions (rcs_tacto)	3m 7s
build_cpp_extensions (rcs_fr3)	3m 24s
build_extensions (rcs_xarm7)	2m 41s
build_cpp_extensions (rcs_robotics_library)	3m 25s
build_extensions (rcs_realsense)	2m 58s
build_extensions (rcs_usb_cam)	2m 47s
	28m 19s

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