Adds description for the form element manager to the documentation#196

Draft

froschdesign wants to merge 6 commits intolaminas:3.7.xfrom froschdesign:hotfix/docs/form-element-manager

+625-1

Commits on Oct 26, 2022

Adds description for the form element manager to the documentation
froschdesign
committed

Commits on Oct 27, 2022

Updates texts in terms of wording and spelling
froschdesign
committed