* Specify SEO optimized width and height for cover images in articles JSON-LD
* Specify 1:1 ratio for cover images in stories_controller.rb
* Specify 4:3 ratio for cover images in stories_controller.rb
* Specify 16:9 ratio for cover images in stories_controller.rb
* Optimize images for SEO purposes by specifying width and height
* Change aspect ratio to be 1600x900 in stories_controller.rb
* Makes aspect ratio for article cover images smaller in JSON-LD
* Add options to social_image_helper.rb
* Adds options to article_social_image_url call