Delete useless files

Signed-off-by: poc7667 <poc7667@gmail.com>
Ignore index.html

Signed-off-by: poc7667 <poc7667@gmail.com>
Error handle, youtube links

Signed-off-by: poc7667 <poc7667@gmail.com>
Update: remain buggy, videos only will only shows the first video

Signed-off-by: poc7667 <poc7667@gmail.com>
Fix: output the index.html to correct dir

Signed-off-by: poc7667 <poc7667@gmail.com>