Implemented basic server file system endpoints and services. Implemented server files tab

MoonlightServers.Frontend/Services/ServerFileSystemService.cs

@@ -0,0 +1,58 @@
+using MoonCore.Attributes;
+using MoonCore.Helpers;
+using MoonlightServers.Shared.Http.Responses.Client.Servers.Files;
+
+namespace MoonlightServers.Frontend.Services;
+
+[Scoped]
+public class ServerFileSystemService
+{
+    private readonly HttpApiClient ApiClient;
+
+    public ServerFileSystemService(HttpApiClient apiClient)
+    {
+        ApiClient = apiClient;
+    }
+
+    public async Task<ServerFilesEntryResponse[]> List(int serverId, string path)
+    {
+        return await ApiClient.GetJson<ServerFilesEntryResponse[]>(
+            $"api/client/servers/{serverId}/files/list?path={path}"
+        );
+    }
+
+    public async Task Move(int serverId, string oldPath, string newPath)
+    {
+        await ApiClient.Post(
+            $"api/client/servers/{serverId}/files/move?oldPath={oldPath}&newPath={newPath}"
+        );
+    }
+
+    public async Task Delete(int serverId, string path)
+    {
+        await ApiClient.Delete(
+            $"api/client/servers/{serverId}/files/delete?path={path}"
+        );
+    }
+
+    public async Task Mkdir(int serverId, string path)
+    {
+        await ApiClient.Post(
+            $"api/client/servers/{serverId}/files/mkdir?path={path}"
+        );
+    }
+
+    public async Task Upload(int serverId, string path, Stream dataStream)
+    {
+        var uploadSession = await ApiClient.GetJson<ServerFilesUploadResponse>(
+            $"api/client/servers/{serverId}/files/upload?path={path}"
+        );
+
+        using var httpClient = new HttpClient();
+
+        var content = new MultipartFormDataContent();
+        content.Add(new StreamContent(dataStream), "file", path);
+        
+        await httpClient.PostAsync(uploadSession.UploadUrl, content);
+    }
+}