Added user search in talk, currently with no further functionality

lib/api/marianumcloud/autocomplete/autocompleteApi.dart

@@ -0,0 +1,37 @@
+import 'dart:convert';
+import 'dart:developer';
+
+import 'package:http/http.dart' as http;
+import 'package:http/http.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'autocompleteResponse.dart';
+
+class AutocompleteApi {
+  Future<AutocompleteResponse> find(String query) async {
+    log("query starting");
+    var preferences = await SharedPreferences.getInstance();
+    Map<String, dynamic> getParameters = {
+      "search": query,
+      "itemType": " ",
+      "itemId": " ",
+      "shareTypes[]": ["0"],
+      "limit": "10",
+    };
+
+    Map<String, String> headers = {};
+    headers.putIfAbsent("Accept", () => "application/json");
+    headers.putIfAbsent("OCS-APIRequest", () => "true");
+
+    Uri endpoint = Uri.https("${preferences.getString("username")!}:${preferences.getString("password")!}@cloud.marianum-fulda.de", "/ocs/v2.php/core/autocomplete/get", getParameters);
+    log(endpoint.query);
+
+    Response response = await http.get(endpoint, headers: headers);
+    log(response.statusCode.toString());
+    String result = response.body;
+    log(result);
+
+    return AutocompleteResponse.fromJson(jsonDecode(result)['ocs']);
+  }
+
+}