fix: strip HTML tags from book descriptions for proper display

lib/shared/utils/html_utils.dart

@@ -0,0 +1,26 @@
+/// Utility functions for handling HTML content
+class HtmlUtils {
+  /// Strips HTML tags and decodes common HTML entities from a string
+  static String stripHtml(String htmlString) {
+    // Remove HTML tags
+    String text = htmlString.replaceAll(RegExp(r'<[^>]*>'), '');
+
+    // Decode common HTML entities
+    text = text
+        .replaceAll('&nbsp;', ' ')
+        .replaceAll('&amp;', '&')
+        .replaceAll('&lt;', '<')
+        .replaceAll('&gt;', '>')
+        .replaceAll('&quot;', '"')
+        .replaceAll('&#39;', "'")
+        .replaceAll('&apos;', "'");
+
+    // Replace multiple spaces with single space
+    text = text.replaceAll(RegExp(r'\s+'), ' ');
+
+    // Trim leading/trailing whitespace
+    text = text.trim();
+
+    return text;
+  }
+}