Add a community part to the README

[yoannfleurydev]

• BearStudio's YouTube videos that are about 🚀 Start UI
• BearStudio's Twitch channel that streams a lot of 🚀 Start UI content
• Any other content on the web about 🚀 Start UI

[pratik9315]

Hey @yoannfleurydev ! I would like to work on this issue if its alright

[yoannfleurydev]

Hi sure, feel free to list contents here before submitting a Pull Request.