* Add support and stability level definitions

Fixes #9379

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

* Addressed first round of comments

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

* Second review round

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

* Replace experimental with Alpha, added Beta

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

* Replace other experimental instances with alpha

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

* Apply suggestions from code review

Co-authored-by: Przemek Maciolek <58699843+pmm-sumo@users.noreply.github.com>

* Expand beta description, remove redundant paragraph

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

* Use 'general availability'

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

Co-authored-by: Przemek Maciolek <58699843+pmm-sumo@users.noreply.github.com>