Patterns: Add "About" patterns

[beafialho]

Figma file, Demo site

• Centered description ↴
  
• Left-aligned description ↴
  
• Right-aligned image, text on the left ↴
  
• Split layout with image, text on the right ↴
  
• Intro with offset layout ↴
  
• Image on the left, description on the right ↴
  
• Left aligned title, 2 columns text, image ↴
  
• Offset images, left aligned paragraph ↴
  
• Offset images, centered paragraph ↴
  
• Left-aligned image, text on the right ↴
  
• Text, button and two images ↴
  
• Centered quote ↴
  
• 3-column gallery, variable height ↴
  
• Offset image gallery with description ↴
  
• Large centered paragraph ↴
  
• Two columns with text and image ↴
  
• Store features row with icons ↴
  
• Small store features row with icons ↴
  
• Large store features list ↴
  
• Row with two images, offset text and link ↴
  
• Background image, offset text and link ↴
  
• Gallery row with paragraph and button ↴
  
• Centered founder bio/story ↴
  
• Two centered paragraphs with button ↴
  
• Left-aligned quote, large ↴
  
• Product features, 2 columns ↴