Start the plugin system (#372)

app/MindWork AI Studio/Tools/PluginSystem/IPluginMetadata.cs

@@ -0,0 +1,74 @@
+namespace AIStudio.Tools.PluginSystem;
+
+public interface IPluginMetadata
+{
+    /// <summary>
+    /// The icon of this plugin.
+    /// </summary>
+    public string IconSVG { get; }
+    
+    /// <summary>
+    /// The type of this plugin.
+    /// </summary>
+    public PluginType Type { get; }
+    
+    /// <summary>
+    /// The ID of this plugin.
+    /// </summary>
+    public Guid Id { get; }
+    
+    /// <summary>
+    /// The name of this plugin.
+    /// </summary>
+    public string Name { get; }
+    
+    /// <summary>
+    /// The description of this plugin.
+    /// </summary>
+    public string Description { get; }
+    
+    /// <summary>
+    /// The version of this plugin.
+    /// </summary>
+    public PluginVersion Version { get; }
+
+    /// <summary>
+    /// The authors of this plugin.
+    /// </summary>
+    public string[] Authors { get; }
+    
+    /// <summary>
+    /// The support contact for this plugin.
+    /// </summary>
+    public string SupportContact { get; }
+    
+    /// <summary>
+    /// The source URL of this plugin.
+    /// </summary>
+    public string SourceURL { get; }
+    
+    /// <summary>
+    /// The categories of this plugin.
+    /// </summary>
+    public PluginCategory[] Categories { get; }
+    
+    /// <summary>
+    /// The target groups of this plugin.
+    /// </summary>
+    public PluginTargetGroup[] TargetGroups { get; }
+    
+    /// <summary>
+    /// True, when the plugin is maintained.
+    /// </summary>
+    public bool IsMaintained { get; }
+    
+    /// <summary>
+    /// The message that should be displayed when the plugin is deprecated.
+    /// </summary>
+    public string DeprecationMessage { get; }
+
+    /// <summary>
+    /// True, when the plugin is AI Studio internal.
+    /// </summary>
+    public bool IsInternal { get; }
+}