* Add Ultralytics HUB section to README

@pderrenger @kalenmike @AlanDimmer @AyushExel new Ultralytics HUB section in YOLOv5 README.
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.md
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.md
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.md

@AlanDimmer @kalenmike new integrations image
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update README.md
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update tutorial.ipynb
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update tutorial.ipynb
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.md
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update tutorial.ipynb
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README_cn.md
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>