Added Go In One Evening

[roblaszczak]

Description

In this PR, I'm adding Go In One Evening - that is, teaching Go basics by creating multiple real-life Go projects, like CLI tool or HTTP server.

Types of changes

• [ ] Content Update (change which fixes an issue or updates an already existing submission)
• [x] New Article (change which adds functionality)
• [ ] Documentation change

Checklist:

• [x] My code follows the code style of this project.
• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have made checks to ensure URLs and other resources are valid