[Image/Animate/MustacheMe] Added image_me, animate_me, and mustache_me modules

- Module takes input like .image_me pug and returns a random image of a pug
- Added animate_me module, e.g. .animate_me pugs returns an animated gif of pug(s)
- Added mustache_me mod, uses image_me module to get an image then runs it through the mustachifier