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/ui/accordion/AccordionItem.vue

@@ -0,0 +1,27 @@
+<script setup lang="ts">
+import { cn } from "@/lib/utils";
+import {
+  AccordionItem,
+  type AccordionItemProps,
+  useForwardProps,
+} from "reka-ui";
+import { computed, type HTMLAttributes } from "vue";
+
+const props = defineProps<
+  AccordionItemProps & { class?: HTMLAttributes["class"] }
+>();
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props;
+
+  return delegated;
+});
+
+const forwardedProps = useForwardProps(delegatedProps);
+</script>
+
+<template>
+  <AccordionItem v-bind="forwardedProps" :class="cn('border-b', props.class)">
+    <slot />
+  </AccordionItem>
+</template>