Adding an image to getting started tutorial

[Amir974]

Letting the readers know what the screen should look like when waiting for the installation process to take its course.

Proposed change

First attempt to make the getting started pages a bit more friendly and add some useful information.

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logo's and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

Adding a new image and a few words.

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
• The documentation follows the Home Assistant documentation standards.

[fabaff]

Thanks