Update usage and screenshots in README.md

[arneschmid]

Fixes

• #

Changes

• Updating text and images in README.md

README.md File Preview

Screenshots

Checklist

• 🤖 This change is covered by unit tests (if applicable).
• 🤹 Manual testing has been performed (if necessary).
• 🛡️ Security impacts have been considered (if relevant).
• 📖 Documentation updates are complete (if required).
• 🧠 Third-party dependencies and TPIP updated (if required).