[Enhancement] Support to move content from page to Experience fragment

[abhishekagg19]

Expected Behaviour

While migrating Static template to Editable template, we mostly leverage XF for header and footer.
It would be nice if we can have mechanism to automatically create required XF and also move content from existing source to this newly created XF.

Actual Behaviour

Reproduce Scenario (including but not limited to)

Steps to Reproduce

Platform and Version

Sample Code that illustrates the problem

Logs taken while reproducing problem