Rename dev branch to develop in documentation

[Copilot]

Updated all branch references from dev to develop across documentation files.

Changes

• PLAYBOOK.md: Updated branching strategy, workflow instructions, and release process (13 occurrences)
• README.md: Updated contributing quick start (2 occurrences)

All git commands, PR targets, and branch descriptions now reference develop instead of dev.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Rename dev branch to develop</issue_title>
<issue_description></issue_description>

<agent_instructions>Update any file that may be referring this branch.</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes Rename dev branch to develop #11

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[gv-sh]

@copilot Looks perfect, could you also rename the remote branch to develop from dev?

[Copilot]

@copilot Looks perfect, could you also rename the remote branch to develop from dev?

I don't have the permissions to rename remote branches on GitHub. This requires repository admin access to:

1. Rename the branch in GitHub's repository settings (Settings → Branches → Rename branch)
2. Or delete the old dev branch and create a new develop branch from it

The documentation updates are complete and ready. Once you rename the remote branch on GitHub, all the documentation will correctly reference develop.