[FEATURE] Improve form creation wizard

The form creation wizard has been improved greatly. This
results in a vast enhancement of the user experience. In
detail the following changes have been implemented:

* The user interface has been visually refurbished
  and rearranged.
* Step 3 - which just stated the successful form
  creation - has been removed.
* Previous steps can now be accessed.
* Instead of labeling steps with just a numerical
  indicator (like "Step x of y") steps now have descriptive
  labels like "Start" or "Finish!".
* Configuration settings did not change in number but
  are logically structured now.

In order to achieve this a new JavaScript module
`MultiStepWizard.ts` has been introduced.

Check the corresponding .rst files for further information.

Resolves: #79445
Releases: master
Change-Id: Ia631a411d81b11a21e9b2f682771be536cb01921
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/60555


Tested-by: Mathias Brodala <mbrodala@pagemachine.de>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Ralf Zimmermann <ralf.zimmermann@tritum.de>
Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Ralf Zimmermann <ralf.zimmermann@tritum.de>