add ajax to docs

docs/components/snippets/AjaxProps.vue

@@ -0,0 +1,28 @@
+<template>
+	<pre><v-code lang="javascript">/**
+ * Accept a callback function that will be run
+ * when the search text changes. The callback
+ * will be invoked with these parameters:
+
+ * @param {search}  String          Current search text
+ * @param {loading} Function(bool)  Toggle loading class
+ */
+onSearch: {
+	type: Function,
+	default: false
+},
+
+/**
+ * Milliseconds to wait before invoking this.onSearch().
+ * Used to prevent sending an AJAX request until input
+ * has completed.
+ */
+debounce: {
+	type: Number,
+	default: 0
+}</v-code></pre>
+</template>
+
+<script type="text/babel">
+	export default {}
+</script>