Prettier fix

Author: bendera

dev/vscode-tree/basic-example.html

@@ -53,7 +53,9 @@ <h1>Basic example</h1>
               Tuition
               <vscode-tree-item>Undergraduate</vscode-tree-item>
               <vscode-tree-item>Graduate</vscode-tree-item>
-              <vscode-tree-item branch open>Professional Schools</vscode-tree-item>
+              <vscode-tree-item branch open
+                >Professional Schools</vscode-tree-item
+              >
             </vscode-tree-item>
             <vscode-tree-item>Sign Up</vscode-tree-item>
             <vscode-tree-item>Visit</vscode-tree-item>