[Migrate]: BuddyPress Action Hook Sequence During Startup

[imath]

Link to the existing BP Codex page.

https://codex.buddypress.org/developer/buddypress-action-hook-sequence-during-startup/

What needs to be done?

This is an interesting resource, and as since 12.0 we've changed the order when BuddyPress objects are set it would be even more interesting to update it.

Handbook to migrate the page in

buddypress/docs/developer

Tasks to accomplish

• This task has been added to the "Todo" panel of the Documentation project.
• The corresponding line of the data/README.md Pages list has been marked as "Migrate issue/task created".
• A PR has been submitted to the BuddyPress GH repository, it has been linked to this issue/task & the task was moved to the "In progress" panel of the Documentation project.
• The PR has been converted to a SVN patch and committed to the BuddyPress SVN repository & the task was moved to the "Done" panel of the Documentation project.