Added basic configuration

src/HopFrame.Core/Config/HopFrameConfig.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace HopFrame.Core.Config;
+
+public class HopFrameConfig {
+    public List<DbContextConfig> Contexts { get; init; } = new();
+    public bool DisplayUserInfo { get; set; } = true;
+}
+
+public class HopFrameConfigurator(HopFrameConfig config) {
+    public HopFrameConfigurator AddDbContext<TDbContext>(Action<DbContextConfig<TDbContext>> configurator) where TDbContext : DbContext {
+        var context = AddDbContext<TDbContext>();
+        configurator.Invoke(context);
+        return this;
+    }
+    
+    public DbContextConfig<TDbContext> AddDbContext<TDbContext>() where TDbContext : DbContext {
+        var context = new DbContextConfig<TDbContext>(typeof(TDbContext));
+        config.Contexts.Add(context);
+        return context;
+    }
+
+    public HopFrameConfigurator DisplayUserInfo(bool display) {
+        config.DisplayUserInfo = display;
+        return this;
+    }
+}