feat: expand the configuration functionality

Endpoint/Configuration/General/GeneralConfig.cs

@@ -0,0 +1,14 @@
+using Mirea.Api.Endpoint.Configuration.General.Settings;
+
+namespace Mirea.Api.Endpoint.Configuration.General;
+
+public class GeneralConfig
+{
+    public const string FilePath = "Settings.json";
+
+    public DbSettings? DbSettings { get; set; }
+    public CacheSettings? CacheSettings { get; set; }
+    public ScheduleSettings? ScheduleSettings { get; set; }
+    public EmailSettings? EmailSettings { get; set; }
+    public LogSettings? LogSettings { get; set; }
+}