Add devtips

[gaberomualdo]

• Name of the youtuber: DevTips
• What the channel is about (eg. web development, design, ...): Full-Stack Web Development with a focus on designing with CSS
• Which section is the channel in? (if you created a section, please specify why): Web Development
• Why do you consider the youtuber deserves a place in this list? What does make it awesome?: The channel includes many videos on a number of web development topics and many popular tutorials on CSS, styling, and animations in the browser.

[gaberomualdo]

I've just made the changes you requested on both PRs. Please let me know if there are any other problems. Thanks.

— Gabriel Romualdo

[JoseDeFreitas]

Hello @xtrp! The issues are fixed now. Thank you for the PRs and thank you for adding those awesome YouTube channels 😄.