[devtools] link to wndt74 video (#7524)
[devtools] link to wndt74 video (#7524)


myakura/WebFundamentals,samdutton/WebFundamentals,samdutton/WebFundamentals,lucab85/WebFundamentals,samdutton/WebFundamentals,google/WebFundamentals,google/WebFundamentals,lucab85/WebFundamentals,myakura/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals,myakura/WebFundamentals,google/WebFundamentals,lucab85/WebFundamentals,lucab85/WebFundamentals,samdutton/WebFundamentals