feat: add logs formatting

GSS2.Test/FileLoggerProvider.cs

@@ -0,0 +1,14 @@
+using Microsoft.Extensions.Logging;
+
+namespace GSS2.Test;
+
+public sealed class FileLoggerProvider : ILoggerProvider
+{
+    private readonly string _filePath;
+
+    public FileLoggerProvider(string filePath) => _filePath = filePath;
+
+    public ILogger CreateLogger(string categoryName) => new FileLogger(categoryName, _filePath);
+
+    public void Dispose() { }
+}