add button delete option & add and delete function

src/components/FeatureType/FeatureTypeCustomForm.vue

@@ -180,7 +180,7 @@
               class="draggable-row"
             >
               <i
-                class="th icon"
+                class="th icon grey"
                 aria-hidden="true"
               />
               <input
@@ -191,6 +191,10 @@
                 class="options-field"
                 @change="updateOptionValue(index, $event)"
               >
+              <i 
+                class="trash icon grey"
+                @click="deleteOption(index)"
+              ></i>
             </div>
           </div>
           <div class="ui buttons">
@@ -430,7 +434,7 @@ export default {
       this.form.options.value = currentOptionsList;
       this.updateStore();
     },
-
+    
     initSortable() {
       this.sortable = new Sortable(document.getElementById(`list-options-${this.customForm.dataKey}`), {
         animation: 150,
@@ -440,9 +444,13 @@ export default {
         onEnd: this.updateOptionOrder,
       });
     },
-
+    
     addOption() {
-      console.log('addOption');
+      this.form.options.value.push('');
+    },
+
+    deleteOption(index) {
+      this.form.options.value.splice(index, 1);
     },
 
     updateStore() {
@@ -553,7 +561,9 @@ export default {
   align-items: baseline;
   margin-bottom: 1em;
   input {
-    margin-left: .5em !important;
+    margin: 0 .5em !important;
+  }
+  i.icon.trash {
   }
 }
 </style>