add StorageSettings and TableSettings

fix property name "Name" to "TableName" because "Name" is duplicated in
TableSettings.cs

Related to: aliencube#319

Author: sikutisa

src/AzureOpenAIProxy.ApiApp/Configurations/StorageSettings.cs

@@ -0,0 +1,17 @@
+namespace AzureOpenAIProxy.ApiApp.Configurations;
+
+/// <summary>
+/// This represents the settings entity for Storage.
+/// </summary>
+public class StorageSettings
+{
+    /// <summary>
+    /// Gets the name of the configuration settings.
+    /// </summary>
+    public const string Name = "Storage";
+
+    /// <summary>
+    /// Gets or sets the <see cref="TableSettings"/> instance.
+    /// </summary>
+    public TableSettings Table { get; set; } = new();
+}

src/AzureOpenAIProxy.ApiApp/Configurations/TableSettings.cs

@@ -0,0 +1,17 @@
+namespace AzureOpenAIProxy.ApiApp.Configurations;
+
+/// <summary>
+/// This represents the settings entity for Azure Table Stroage.
+/// </summary>
+public class TableSettings
+{
+    /// <summary>
+    /// Gets the name of the configuration settings.
+    /// </summary>
+    public const string Name = "Table";
+
+    /// <summary>
+    /// Gets or sets the table name.
+    /// </summary>
+    public string? TableName { get; set; }
+}

src/AzureOpenAIProxy.ApiApp/appsettings.json

@@ -32,7 +32,7 @@
     },
     "Stroage": {
       "Table": {
-        "Name": "events"
+        "TableName": "events"
       }
     }
   },