Change placeholder from youtube channel name to id

[hslee2008]

What type of PR is this? (check all applicable)

• [x] Refactor
• [x] Enhancement

Description

The placeholder for putting in YouTube channel is very confusing as it says 'name' when clearly, you are supposed to put in id. To make a link to the YouTube channel you use id like "UChTUaMMkavu5hxIA7Gd4kfA" if your YouTube channel is small. I also got confused between name and id.

QA Instructions, Screenshots, Recordings

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Name	Status	Preview	Updated
github-profile-readme-generator	✅ Ready (Inspect)	Visit Preview	May 4, 2022 at 8:47AM (UTC)

[hslee2008]

#548