create a Web application screen that represents a tree structure,
allowing the user to add nodes to the left or right as per their choice. The tree
structure should be dynamic and user-friendly.

Requirements:
● Use React js for the Web application development.
● Implement a visually appealing and intuitive user interface for adding
nodes to the tree.
● Allow the user to choose whether the new node should be added to the left
or right of the selected node.
● Ensure that the tree structure is dynamic and can accommodate multiple
levels.

this is the reference ui