chore: update dependencies and add new features

- Added Font Awesome and Annyang for enhanced UI and voice recognition capabilities.
- Updated package.json to include new dependencies: @fortawesome/fontawesome-free, annyang, and wrangler.
- Modified postcss.config.js for proper syntax.
- Updated style.css to include Font Awesome styles and added new styles for voice search button and footer.
- Adjusted tailwind.config.js to scan all relevant files for dynamic classes.
- Added VSCode settings to ignore unknown at-rules in CSS, SCSS, and LESS.
- Created a Caddyfile for server configuration with basic settings.

style.css

@@ -1,3 +1,4 @@
+@import "/node_modules/@fortawesome/fontawesome-free/css/all.min.css";
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
@@ -39,3 +40,40 @@
 body {
   min-height: 100vh;
 }
+
+.relative.flex-grow {
+  position: relative;
+}
+
+#voiceSearchButton {
+  position: absolute;
+  top: 50%;
+  right: 0.75rem; /* Matches pr-3 */
+  transform: translateY(-50%);
+  display: flex;
+  align-items: center;
+  justify-content: center; /* Ensure proper centering */
+  height: 100%; /* Match the input field height */
+  color: #6b7280; /* Matches text-gray-500 */
+  transition: color 0.2s;
+}
+
+#voiceSearchButton:hover {
+  color: #2563eb; /* Matches hover:text-blue-600 */
+}
+
+footer {
+  position: fixed;
+  bottom: 0;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 100%;
+  text-align: center;
+  padding: 1rem;
+  background-color: rgba(255, 255, 255, 0.9);
+  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 1rem;
+}