Add ui for note editing

src/components/user_note/user_note.js

@@ -0,0 +1,31 @@
+const UserNote = {
+  props: {
+    user: Object,
+    relationship: Object
+  },
+  data () {
+    return {
+      localNote: '',
+      editing: false
+    }
+  },
+  computed: {
+    shouldShow () {
+      return this.relationship.note || this.editing
+    }
+  },
+  methods: {
+    startEditing () {
+      this.localNote = this.relationship.note
+      this.editing = true
+    },
+    cancelEditing () {
+      this.editing = false
+    },
+    finalizeEditing () {
+      this.editing = false
+    }
+  }
+}
+
+export default UserNote