Add setting for Overpass API provider

app/services/settings.js

@@ -0,0 +1,32 @@
+import Service from '@ember/service';
+import { tracked } from '@glimmer/tracking';
+
+export default class SettingsService extends Service {
+  @tracked overpassApi = 'https://overpass.bke.ro/api/interpreter';
+
+  overpassApis = [
+    { name: 'bke.ro', url: 'https://overpass.bke.ro/api/interpreter' },
+    { name: 'overpass-api.de', url: 'https://overpass-api.de/api/interpreter' },
+    {
+      name: 'private.coffee',
+      url: 'https://overpass.private.coffee/api/interpreter',
+    },
+  ];
+
+  constructor() {
+    super(...arguments);
+    this.loadSettings();
+  }
+
+  loadSettings() {
+    const savedApi = localStorage.getItem('marco-overpass-api');
+    if (savedApi) {
+      this.overpassApi = savedApi;
+    }
+  }
+
+  updateOverpassApi(url) {
+    this.overpassApi = url;
+    localStorage.setItem('marco-overpass-api', url);
+  }
+}