feat(ui): Add Toaster and Textarea components

- Introduce Toaster component using vue-sonner for notifications
- Implement Textarea component with v-model support and customizable classes

src/components/ui/sonner/Sonner.vue

@@ -0,0 +1,18 @@
+<script lang="ts" setup>
+import { Toaster as Sonner, type ToasterProps } from 'vue-sonner'
+
+const props = defineProps<ToasterProps>()
+</script>
+
+<template>
+  <Sonner
+    class="toaster group"
+    v-bind="props"
+    :style="{
+      '--normal-bg': 'var(--popover)',
+      '--normal-text': 'var(--popover-foreground)',
+      '--normal-border': 'var(--border)',
+
+    }"
+  />
+</template>

src/components/ui/sonner/index.ts

@@ -0,0 +1 @@
+export { default as Toaster } from './Sonner.vue'

src/components/ui/textarea/Textarea.vue

@@ -0,0 +1,28 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { useVModel } from '@vueuse/core'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<{
+  class?: HTMLAttributes['class']
+  defaultValue?: string | number
+  modelValue?: string | number
+}>()
+
+const emits = defineEmits<{
+  (e: 'update:modelValue', payload: string | number): void
+}>()
+
+const modelValue = useVModel(props, 'modelValue', emits, {
+  passive: true,
+  defaultValue: props.defaultValue,
+})
+</script>
+
+<template>
+  <textarea
+    v-model="modelValue"
+    data-slot="textarea"
+    :class="cn('border-input placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-input/30 flex field-sizing-content min-h-16 w-full rounded-md border bg-transparent px-3 py-2 text-base shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm', props.class)"
+  />
+</template>

src/components/ui/textarea/index.ts

@@ -0,0 +1 @@
+export { default as Textarea } from './Textarea.vue'