ConfirmDialog, ConfirmPopup, Dialog unstyled demo updates

doc/confirmdialog/theming/UnstyledDoc.vue

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+<template>
+    <DocSectionText v-bind="$attrs">
+        <p>Theming is implemented with the pass through properties in unstyled mode. Example below demonstrates the built-in Tailwind theme.</p>
+    </DocSectionText>
+    <DocSectionCode :code="code" embedded />
+</template>
+
+<script>
+export default {
+    data() {
+        return {
+            code: {
+                composition: `
+<template>
+    <Toast />
+    <ConfirmDialog></ConfirmDialog>
+    <div class="card flex flex-wrap gap-2 justify-center">
+        <Button @click="confirm1()" icon="pi pi-check" label="Confirm"></Button>
+        <Button @click="confirm2()" icon="pi pi-times" label="Delete"></Button>
+    </div>
+</template>
+
+<script setup>
+import { useConfirm } from "primevue/useconfirm";
+import { useToast } from "primevue/usetoast";
+
+const confirm = useConfirm();
+const toast = useToast();
+
+const confirm1 = () => {
+    confirm.require({
+        message: 'Are you sure you want to proceed?',
+        header: 'Confirmation',
+        icon: 'pi pi-exclamation-triangle',
+        accept: () => {
+            toast.add({ severity: 'info', summary: 'Confirmed', detail: 'You have accepted', life: 3000 });
+        },
+        reject: () => {
+            toast.add({ severity: 'error', summary: 'Rejected', detail: 'You have rejected', life: 3000 });
+        }
+    });
+};
+
+const confirm2 = () => {
+    confirm.require({
+        message: 'Do you want to delete this record?',
+        header: 'Delete Confirmation',
+        icon: 'pi pi-info-circle',
+        acceptClass: 'p-button-danger',
+        accept: () => {
+            toast.add({ severity: 'info', summary: 'Confirmed', detail: 'Record deleted', life: 3000 });
+        },
+        reject: () => {
+            toast.add({ severity: 'error', summary: 'Rejected', detail: 'You have rejected', life: 3000 });
+        }
+    });
+};
+<\/script>`
+            }
+        };
+    }
+};
+</script>