Add files using upload-large-folder tool

feat: add functions for utils

feat: add cot trace generation code for task1

feat: add cot trace generation code for task2

feat: add cot_trace generation code for task3

feat: add filter mechanism

feat: add gen code

fix: clockwise and anticlockwise

feat: fix computation issue in utils. Now it can use pca to estimate the best plane for camera, then use this plane for angle calculation.

feat: add gen code

feat: add gen_task2 v1

refactor: refactor gen_task1 to v3

feat: gen_task1 v3

feat: gen_task1.py v2

refactor