[Migrate]: Template Hierarchy

[imath]

Link to the existing BP Codex page.

https://codex.buddypress.org/themes/theme-compatibility-1-7/template-hierarchy/

What needs to be done?

It needs to be completely reviewed to inform about:

• BP Template pack template hierarchy
• BP Standalone theme template hierarchy
• BP Block theme template hierarchy

Handbook to migrate the page in

buddypress/docs/developer

Tasks to accomplish

• [x] This task has been added to the "Todo" panel of the Documentation project.
• [x] The corresponding line of the data/README.md Pages list has been marked as "Migrate issue/task created".
• [x] 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.

[vapvarun]

Preview: https://github.com/vapvarun/BuddyPress/blob/template-hierarchy/docs/user/administration/template-hierarchy.md