Improve place-create button

app/components/icon.gjs

@@ -15,6 +15,7 @@ import mapPin from 'feather-icons/dist/icons/map-pin.svg?raw';
 import menu from 'feather-icons/dist/icons/menu.svg?raw';
 import navigation from 'feather-icons/dist/icons/navigation.svg?raw';
 import phone from 'feather-icons/dist/icons/phone.svg?raw';
+import plus from 'feather-icons/dist/icons/plus.svg?raw';
 import server from 'feather-icons/dist/icons/server.svg?raw';
 import settings from 'feather-icons/dist/icons/settings.svg?raw';
 import target from 'feather-icons/dist/icons/target.svg?raw';
@@ -37,6 +38,7 @@ const ICONS = {
   menu,
   navigation,
   phone,
+  plus,
   server,
   settings,
   target,

app/components/places-sidebar.gjs

@@ -202,10 +202,10 @@ export default class PlacesSidebar extends Component {
 
           <button
             type="button"
-            class="create-place-btn"
+            class="btn btn-outline create-place"
             {{on "click" this.createNewPlace}}
           >
-            <Icon @name="plus" @size={{18}} />
+            <Icon @name="plus" @size={{18}} @color="#007bff" />
             Create new place
           </button>
         {{/if}}