document.getElementById("installation").innerHTML =
`
  <div id="input-container">
    <textarea id="input" placeholder="Enter your text here..."></textarea>
    <textarea id="output" placeholder="Generated text will appear here..." readonly></textarea>
  </div>
  <svg width="600" height="400"></svg>
`;

function launch() {
    d3.select("#input").on("input", function() {
        updateGraph(this.value);
    });
}