resolve melos analyze warnings

packages/dart_client/lib/src/db/shared/native_db.dart

@@ -1,3 +1,4 @@
+//ignore_for_file: public_member_api_docs
 import 'dart:io';
 import 'dart:isolate';
 import 'package:flutter/material.dart';
@@ -9,7 +10,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:stream_chat/src/db/offline_storage.dart';
 
 class SharedDB {
-  static constructDatabase(dbName) async {
+  static Future<VmDatabase> constructDatabase(dbName) async {
     final dir = await getApplicationDocumentsDirectory();
     final path = join(dir.path, dbName);
     final file = File(path);

packages/dart_client/lib/src/db/shared/unsupported_db.dart

@@ -1,3 +1,5 @@
+//ignore_for_file: public_member_api_docs
+//ignore_for_file: always_declare_return_types
 class SharedDB {
   static constructDatabase(dbName) async {
     print('Unsupported Platform');

packages/dart_client/lib/src/db/shared/web_db.dart

@@ -1,3 +1,5 @@
+//ignore_for_file: public_member_api_docs
+//ignore_for_file: always_declare_return_types
 import 'package:moor/moor_web.dart';
 import 'package:stream_chat/src/db/offline_storage.dart';