Added proper server config model, added proper apikey authorization with swagger integration, added allowlist and denylist to config

src/Server/Models/ConfigModels.cs

@@ -0,0 +1,36 @@
+using System.Configuration;
+using ElmahCore;
+
+namespace Server.Models;
+
+public class EmbeddingSearchOptions
+{
+    public required ConnectionStringsSection ConnectionStrings { get; set; }
+    public ElmahOptions? Elmah { get; set; }
+    public required long EmbeddingCacheMaxCount { get; set; }
+    public required AiProvider[] AiProviders { get; set; }
+    public required SimpleAuthOptions SimpleAuth { get; set; }
+    public string[]? ApiKeys { get; set; }
+    public required bool UseHttpsRedirection { get; set; }
+}
+
+public class AiProvider
+{
+    public required string Handler { get; set; }
+    public required string BaseURL { get; set; }
+    public required string ApiKey { get; set; }
+    public required string[] Allowlist { get; set; }
+    public required string[] Denylist { get; set; }
+}
+
+public class SimpleAuthOptions
+{
+    public List<SimpleUser> Users { get; set; } = [];
+}
+
+public class SimpleUser
+{
+    public string Username { get; set; } = "";
+    public string Password { get; set; } = "";
+    public string[] Roles { get; set; } = [];
+}