This is a demo of the new treemap diagram type in Mermaid.
treemap "Root" "Branch 1" "Leaf 1.1": 10 "Leaf 1.2": 15 "Branch 2" "Branch 2.1" "Leaf 2.1.1": 20 "Leaf 2.1.2": 25 "Leaf 2.2": 25 "Leaf 2.3": 30
treemap "Technology Stack" "Frontend" "React": 35 "CSS": 15 "HTML": 10 "Backend" "Node.js": 25 "Express": 10 "MongoDB": 15 "DevOps" "Docker": 10 "Kubernetes": 15 "CI/CD": 5