CSS modules topic

[jcalcaben]

This issue is a:

[ ] Bug [X] New Topic Request [ ] Topic Clarification Request [ ] New Feature Request [ ] Other

Description:

Content needed for CSS modules topic.

src/technologies/basic-concepts/css-modules/index.md

Expected Result:

Content modules content exists and covers the following:

• [ ] What are CSS modules
• [ ] Why you should use CSS modules
• [ ] How do CSS modules work
• [ ] Code samples for CSS modules

Additional Information:

• https://css-tricks.com/css-modules-part-1-need/
• https://medium.com/front-end-developers/css-modules-solving-the-challenges-of-css-at-scale-85789980b04f
• https://www.triplet.fi/blog/practical-guide-to-react-and-css-modules/

[PWAStudioBot]

This issue was moved to magento-research/pwa-studio#48