Community Doc Team: Sections, Section Views and Section Sidebar Apps

[bszyman]

📋 Description

This PR adds content, insight and best practices to the section, section views, and section sidebar app documentation articles.

📎 Related Issues (if applicable)

Community Docs Team 2025 (view)

✅ Contributor Checklist

I've followed the Umbraco Documentation Style Guide and can confirm that:

• [✅] Code blocks are correctly formatted.
• [✅] Sentences are short and clear (preferably under 25 words).
• [✅] Passive voice and first-person language (“we”, “I”) are avoided.
• [✅] Relevant pages are linked.
• [✅] All links work and point to the correct resources.
• [✅] Screenshots or diagrams are included if useful.
• [✅] Any code examples or instructions have been tested.
• [✅] Typos, broken links, and broken images are fixed.

Product & Version (if relevant)

v16

Deadline (if relevant)

N/A

📚 Helpful Resources

• 🧾 Umbraco Contribution Guidelines
• ✍️ Umbraco Documentation Style Guide