Add indentations to code blocks for easy reading

[HoyosJuan]

Describe the bug 📝

Right now, code blocks in the documentation doesn't have indentations. Would be great to have them in order to better read the code.

Reproduction ▶️

No response

Steps to reproduce 🔢

No response

System Info 💻

N/A

Used Package Manager 📦

yarn

Error Trace/Logs 📃

No response

Validations ✅

• [X] Read the docs.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] Make sure this is a repository issue and not a framework-specific issue. For example, if it's a THREE.js related bug, it should likely be reported to mrdoob/threejs instead.
• [X] Check that this is a concrete bug. For Q&A join our Community.
• [X] The provided reproduction is a minimal reproducible example of the bug.

[agviegas]

Solved!