* YOLOv5 v7.0 splash image update

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

* readme segmentation section

* readme segmentation section

* readme segmentation section

* readme segmentation section

* readme segmentation section

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

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

* Update download URLs to 7.0 assets
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>