Add card component variant with an image

[kaylachumley]

Add a variant to the basic card that supports a image - potential to build within the basic card with a property to turn the image on and off or build a new' card with image' component separately.

includes:

• 6px rounded corners
• 16px padding between image and card
• action list
• heading text
• body text

Follow up would be to include this within the cards demos and using this component on the org homepage for the featured blog posts

inspo from chatbot extension styling: