Add interactive web page with separate JavaScript file

- Create index.html with interactive buttons and styling
- Create script.js with JavaScript functions for user interactions
- Features include message display, color changing, and date/time display

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

script.js

@@ -0,0 +1,38 @@
+// Sample JavaScript functions for the web page
+
+function showMessage() {
+    const output = document.getElementById('output');
+    output.innerHTML = '<p><strong>Hello from JavaScript!</strong> This message was generated by the external script file.</p>';
+}
+
+function changeColor() {
+    const output = document.getElementById('output');
+    const colors = ['#e3f2fd', '#f3e5f5', '#e8f5e8', '#fff3e0', '#fce4ec'];
+    const randomColor = colors[Math.floor(Math.random() * colors.length)];
+
+    output.style.backgroundColor = randomColor;
+    output.innerHTML = '<p>Background color changed! The new color is: <strong>' + randomColor + '</strong></p>';
+}
+
+function showDateTime() {
+    const output = document.getElementById('output');
+    const now = new Date();
+    const dateTimeString = now.toLocaleString();
+
+    output.innerHTML = '<p>Current date and time: <strong>' + dateTimeString + '</strong></p>';
+}
+
+// Add event listener for when the page loads
+document.addEventListener('DOMContentLoaded', function() {
+    console.log('JavaScript file loaded successfully!');
+
+    // You can add any initialization code here
+    const container = document.querySelector('.container');
+    if (container) {
+        container.addEventListener('click', function(event) {
+            if (event.target.classList.contains('button')) {
+                console.log('Button clicked:', event.target.textContent);
+            }
+        });
+    }
+});