Function - Extract: add newline at the end of file

Signed-off-by: ahomiya.com <me@ahomiya.com>
Add-ons - Size: add newline at the end of file

Signed-off-by: ahomiya.com <me@ahomiya.com>
Add-ons - Position: add newline at the end of file

Signed-off-by: ahomiya.com <me@ahomiya.com>
Add-ons - Fit container: add newline at the end of file

Signed-off-by: ahomiya.com <me@ahomiya.com>
Add-ons - Micro clearfix: add newline at the end of file

Signed-off-by: ahomiya.com <me@ahomiya.com>