Improve Readme

[Machriam]

• The readme should have more text to give an introduction of how the features work
• The graph gifs should be a image series. The segmentation showcase would do better as an image series aswell
• A proper showcase of the RF switching is missing

[github-actions[bot]]

Changes of Pull Request #261

Commit messages for #256

• 474435a516d81825d3a129922b4d8ef8558d51e9 shorter demo gif to cut polygon
• 35c352c54dbd9f0f3a846e68c4e4e1c884556302 The clicks were to slow.