RadioButton, Rating, SelectButton, Slider unstyled demo updates

doc/radiobutton/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 {
+            ingredient: '',
+            code: {
+                composition: `
+<template>
+    <div class="card flex justify-center">
+        <div class="flex flex-wrap gap-3">
+            <div class="flex align-items-center">
+                <RadioButton v-model="ingredient" inputId="ingredient1" name="pizza" value="Cheese" />
+                <label for="ingredient1" class="ml-2">Cheese</label>
+            </div>
+            <div class="flex align-items-center">
+                <RadioButton v-model="ingredient" inputId="ingredient2" name="pizza" value="Mushroom" />
+                <label for="ingredient2" class="ml-2">Mushroom</label>
+            </div>
+            <div class="flex align-items-center">
+                <RadioButton v-model="ingredient" inputId="ingredient3" name="pizza" value="Pepper" />
+                <label for="ingredient3" class="ml-2">Pepper</label>
+            </div>
+            <div class="flex align-items-center">
+                <RadioButton v-model="ingredient" inputId="ingredient4" name="pizza" value="Onion" />
+                <label for="ingredient4" class="ml-2">Onion</label>
+            </div>
+        </div>
+    </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+const ingredient = ref('');
+<\/script>`
+            }
+        };
+    }
+};
+</script>