Translate understanding-your-ui-as-a-tree.md to Portuguese#1002

jhonmike merged 2 commits intoreactjs:mainreactjs/pt-br.react.dev:mainfrom

NivaldoFarias:translate/learn/understanding-your-ui-as-a-tree.mdNivaldoFarias/pt-br.react.dev:translate/learn/understanding-your-ui-as-a-tree.mdCopy head branch name to clipboard