feat: update button and tooltip content and UI

[mdeliatf]

Description

This PR updates button and tooltip content and UI. It also updates the ReadMe.

⚠️ Please notice: we are not going to change the script version, so merging this PR will trigger an action that will update the button and its content in all the Traefik Proxy v2.10 (and newer) instances! Some URLs/redirects are not ready yet, so please be careful! Short links are live: https://github.com/traefik/traefikee/issues/4426#issuecomment-1919548526

Related to https://github.com/traefik/traefikee/issues/4426

Preview

Light (default) mode

Registrazione.schermo.2024-01-30.alle.09.47.58.mov

Dark mode

Registrazione.schermo.2024-01-30.alle.09.51.55.mov

Good PR checkboxes

• Change has been tested
• Added/Updated tests
• Added/Updated documentation
• Content is fluid (well displayed in 768px screens)
• Issue is linked
• Labels are set

Good Review checkboxes

ℹ️ Copy the snippet and paste in the review field to fill it

- [ ] I've tested the changes
- [ ] I've agreed on the unit tests
- [ ] I've checked the documentation (README)
- [ ] I've read the code and understood it
- [ ] I don't have any more questions
- [ ] I've described any optional improvements

[nmengin]

LGTM