feat(forms): add useMaskedField and useMaskedInput composables for input masking

vue/primitives/src/date-picker/DatePickerAnchor.vue

@@ -1,6 +1,11 @@
 <script lang="ts">
 import type { PopperAnchorProps } from '../popper';
 
+/**
+ * Optional custom anchor for positioning the popover against an element other
+ * than the trigger (e.g. a field or input group). When present, the trigger
+ * stops acting as the anchor and the content is positioned relative to this.
+ */
 export interface DatePickerAnchorProps extends PopperAnchorProps {}
 </script>