refactor: add opening hours

src/app/app.module.ts

@@ -12,12 +12,7 @@
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
-import {
-  CommonModule,
-  HashLocationStrategy,
-  LocationStrategy,
-  registerLocaleData,
-} from '@angular/common';
+import {CommonModule, LocationStrategy, PathLocationStrategy, registerLocaleData} from '@angular/common';
 import {HttpClient} from '@angular/common/http';
 import localeDe from '@angular/common/locales/de';
 import {APP_INITIALIZER, NgModule, Provider} from '@angular/core';
@@ -116,7 +111,7 @@ const providers: Provider[] = [
   },
   {
     provide: LocationStrategy,
-    useClass: HashLocationStrategy,
+    useClass: PathLocationStrategy,
   },
   {
     provide: APP_INITIALIZER,