Fixed duplicate words in "about" snippet.

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>
Updated YouTube regex to allow for "embed" urls

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>
Removed unnecessary quotation marks from YAML front-matter

Signed-off-by: Byron Sanchez <bfs5030@gmail.com>