feat(ColorPicker): implement component (#2670)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/app/components/content/examples/color-picker/ColorPickerChooserExample.vue

@@ -0,0 +1,19 @@
+<script setup lang="ts">
+const color = ref('#00C16A')
+
+const chip = computed(() => ({ backgroundColor: color.value }))
+</script>
+
+<template>
+  <UPopover>
+    <UButton label="Choose color" color="neutral" variant="outline">
+      <template #leading>
+        <span :style="chip" class="size-3 rounded-full" />
+      </template>
+    </UButton>
+
+    <template #content>
+      <UColorPicker v-model="color" class="p-2" />
+    </template>
+  </UPopover>
+</template>