Tech stack: Go: add Errors section

[qdm12]

➡️ Rendered

Progress:

• Errors introduction
• Whether to export sentinel errors
• Wrap or wrapped
• Whether to add context
• Concrete example
• Testing errors
• Debated with the Gossamer team (others are welcome too)
• Improve concrete example code

[render]

Your Render PR Server URL is https://engineering-handbook-pr-62.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-cbqhsiirrk09aurqbu20.

[mpetrunic]

conflicts^^

[qdm12]

Please hold on merging this, I need to add the sentinel error definition 😉

[qdm12]

Please hold on merging this, I'll review example code and improve it soon-ish.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}