feat: add route to count volume using math

fix: try to reduce the confidence threshold

refactor: adjust python client example

refactor: change response to image and detections

fix: requirements issue

fix: libgl depedencies issue

fix: libgl depedencies issue

fix: downgrade python version

fix: install depedencies before switch user

feat: add opencv depedencies

feat: add packages.txt

fix: fix build error

fix: change opencv-python tu opencv-python-headless

fix: libGL Error

Rename dockerfile to Dockerfile

feat: init fastapi

initial commit