Let caller define placeholder and icon for autocomplete field

src/components/autocomplete/ByjoveAutocomplete.vue

@@ -4,6 +4,8 @@
                     :name="name"
                     v-show="!selected"
                     v-model="autocompleteValue"
+                    :placeholder="placeholder"
+                    :icon="icon"
                     :data="data"
                     @typing="getAsyncData"
                     @select="selectionMade"
@@ -29,6 +31,14 @@ export default {
         serviceUrl: String,
         value: String,
         initialLabel: String,
+        placeholder: {
+            type: String,
+            default: null,
+        },
+        icon: {
+            type: String,
+            default: null,
+        },
     },
     data() {
         let selected = null