docs: add edit page link

[Melchyore]

🔗 Linked issue

It has been asked on Discord: https://discord.com/channels/423256550564691970/1092813414939775129

❓ Type of change

• [ ] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [ ] 👌 Enhancement (improving an existing functionality like performance)
• [x] ✨ New feature (a non-breaking change that adds functionality)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Hey!

This PR adds an "Edit this page on GitHub" link at the bottom of each page.

📝 Checklist

• [x] I have linked an issue or discussion.
• [x] I have updated the documentation accordingly.

[thetutlage]

Looks good. Thanks for it :)

[Melchyore]

Looks good. Thanks for it :)

Thanks for accepting the PR!