gssoc: optimize layout structure for community templates

[Rish-2006]

Area of Contribution

Documentation

Description

Refining structural headings within the community repository guidelines to improve navigation clarity for incoming open-source developers.

[github-actions]

✅ Auto-assigned to @Rish-2006 (issue opener).

Open your PR by 2026-07-07 (7 days). The bot frees this issue for another contributor after that date.

Reminders:

• ⭐ Star the repo first. The star-check job blocks your merge otherwise.
• PR title: type: short description
• Link this issue in your PR body: Closes #1903

Good luck. 🚀