feat: add dumper

src/dumper/Directory.Build.props

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+<Project>
+  <PropertyGroup>
+    <BaseIntermediateOutputPath>..\..\proj\obj\$(MSBuildProjectName)\</BaseIntermediateOutputPath>
+  </PropertyGroup>
+</Project>

src/dumper/main.cs

@@ -0,0 +1,124 @@
+using CUE4Parse.Compression;
+using CUE4Parse.Encryption.Aes;
+using CUE4Parse.FileProvider;
+using CUE4Parse.MappingsProvider;
+using CUE4Parse.UE4.Assets.Exports.Engine;
+using CUE4Parse.UE4.Assets.Exports.Texture;
+using CUE4Parse.UE4.Objects.Core.Misc;
+using CUE4Parse.UE4.Versions;
+using CUE4Parse.Utils;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+class DumpByDaylight
+{
+    private const string _pakDir = "E:\\Program Files (x86)\\Steam\\steamapps\\common\\Dead by Daylight\\DeadByDaylight\\Content\\Paks";
+    private const string _aesKey = "0x22B1639B548124925CF7B9CBAA09F9AC295FCF0324586D6B37EE1D42670B39B3";
+    private const string _mappingURL = "https://github.com/Masusder/FModel-DbdMappings/raw/refs/heads/main/Mappings/9.5.0/5.4.4-3172922+++DeadByDaylight+Quiche_REL-DeadByDaylight.usmap";
+
+    public static async Task<string?> DownloadMappingFileAsync(string url, string savePath)
+    {
+        try
+        {
+            using (var httpClient = new HttpClient())
+            {
+                Console.WriteLine("downloading mapping file...");
+                var bytes = await httpClient.GetByteArrayAsync(url);
+                await File.WriteAllBytesAsync(savePath, bytes);
+                Console.WriteLine($"mapping file downloaded to: {savePath}");
+                return savePath;
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"failed to download mapping: {ex.Message}");
+            return null;
+        }
+    }
+
+    static async Task Main(string[] args)
+    {
+        // mapping
+        string mappingPath = Path.Combine(Path.GetTempPath(), "DeadByDaylight.usmap");
+        string? downloadedMapping = await DownloadMappingFileAsync(_mappingURL, mappingPath);
+
+        if (string.IsNullOrEmpty(downloadedMapping))
+        {
+            Console.WriteLine("failed to download mapping file, press any key to exit");
+            Console.ReadKey();
+            return;
+        }
+
+        ZlibHelper.Initialize();
+        OodleHelper.Initialize();
+
+        // parsing setup
+        var version = new VersionContainer(EGame.GAME_DeadByDaylight, ETexturePlatform.DesktopMobile);
+        var provider = new DefaultFileProvider(_pakDir, SearchOption.TopDirectoryOnly, version);
+        provider.MappingsContainer = new FileUsmapTypeMappingsProvider(downloadedMapping);
+
+        provider.Initialize();
+        provider.SubmitKey(new FGuid(), new FAesKey(_aesKey));
+        provider.Mount();
+
+        Console.WriteLine("\nProvider Initialized. Extracting Databases...");
+
+        string[] dbNames = { "ItemDB", "OfferingDB", "ItemAddonDB" };
+        var dataPak = provider.GetArchive("pakchunk4-Windows.utoc");
+
+        foreach (var dbName in dbNames)
+        {
+            var searchPaths = dataPak.Files.Keys
+                .Where(x => x.Contains($"/{dbName}.uasset", StringComparison.OrdinalIgnoreCase))
+                .ToList();
+
+            var standard = new List<string>();
+            var special = new List<string>();
+
+            foreach (var path in searchPaths)
+            {
+                var cleanPath = path.Contains('.') ? path.Substring(0, path.LastIndexOf('.')) : path;
+
+                if (provider.TryLoadPackageObject<UDataTable>(cleanPath, out var dataTable))
+                {
+                    Console.WriteLine($"- Processing {dbName} (from {Path.GetFileName(path)})...");
+                    foreach (var row in dataTable.RowMap)
+                    {
+                        bool isInventory = row.Value.GetOrDefault<bool>("Inventory");
+                        bool isBloodweb = row.Value.GetOrDefault<bool>("Bloodweb");
+
+                        if (isBloodweb)
+                        {
+                            standard.Add(row.Key.Text);
+                        }
+                        else if (isInventory)
+                        {
+                            special.Add(row.Key.Text);
+                        }
+                    }
+                }
+            }
+
+            if (standard.Count > 0 || special.Count > 0)
+            {
+                var result = new
+                {
+                    Standard = standard.OrderBy(x => x).ToList(),
+                    Special = special.OrderBy(x => x).ToList()
+                };
+
+                string outputPath = $"{dbName}_Names.json";
+                File.WriteAllText(outputPath, JsonConvert.SerializeObject(result, Formatting.Indented));
+                Console.WriteLine($"  -> Saved {standard.Count} standard and {special.Count} special entries to {outputPath}");
+            }
+        }
+
+        Console.WriteLine("\nAll dumper operations finished. Press any key to Close.");
+        Console.ReadKey();
+    }
+}