Add ButtonLabelSwitch.vue component

frontend/components/tasks/toolbar/buttons/ButtonLabelSwitch.vue

@@ -0,0 +1,33 @@
+<template>
+  <v-btn-toggle
+    v-model="option"
+    mandatory
+  >
+    <v-btn icon>
+      <v-icon>mdi-format-list-bulleted</v-icon>
+    </v-btn>
+    <v-btn icon>
+      <v-icon>mdi-text</v-icon>
+    </v-btn>
+  </v-btn-toggle>
+</template>
+
+<script>
+export default {
+  data() {
+    return {
+      option: 0
+    }
+  },
+
+  watch: {
+    option(val) {
+      if (val === 0) {
+        this.$emit('change', 'label-group')
+      } else {
+        this.$emit('change', 'label-select')
+      }
+    }
+  }
+}
+</script>