feat: enhance UI components and add accordion functionality

- Updated DraggableWindow.vue to improve shadow effects.
- Refactored AboutWindow.vue for better structure and readability.
- Added chatbot functionality in chatbot.vue with cookie management.
- Improved navigation component for better code clarity.
- Created a new chat history table in the database schema.
- Modified error handling in error.vue to display error messages correctly.
- Integrated ChatbotWindow into the desktop application layout.
- Implemented accordion component in home.vue for Q/A section.
- Enhanced API for chat functionality with improved error handling.
- Removed unused routes for cleaner codebase.
- Added custom animations for accordion components in tailwind.config.js.
- Developed accordion UI components (Accordion, AccordionContent, AccordionItem, AccordionTrigger) for better user interaction.

components/app/windows/chatbot.vue

@@ -1,5 +1,13 @@
+<script setup lang="ts">
+const { t } = useI18n();
+const cookie = useCookie("lastChatId");
+const lastChatId = cookie.value;
+onMounted(() => {
+  console.log(lastChatId);
+  if (lastChatId) {
+  }
+});
+</script>
 <template>
-    <div class="justify-center align-center text-center flex flex-col">
-        
-    </div>
-</template>
+  <div class="justify-center align-center text-center flex flex-col">Hi</div>
+</template>