create thumbnail images from given images for blogs.
Usage: blogthumbs [OPTIONS] <IMAGES...>
OPTIONS
-d, --dest [DIR] specifies the destination.
-s, --size [SIZE] specifies the size of resultant image. Default is 240.
-t, --type [TYPE] specifies the type of blog system.
available values: 'markdown', and 'hugo'. default is markdown.
-h, --help print this message.
-v, --version print version of blogthums.
IMAGES
specifies image for resizing. Acceptable format is 'gif', 'jpeg', and 'png'.