add: Patchable items and frames

src/InterfaceInfo.cs

@@ -0,0 +1,14 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+namespace Polonium.Generators;
+
+public class InterfaceInfo
+{
+    public INamedTypeSymbol Symbol { get; set; }
+    public InterfaceDeclarationSyntax DeclarationSyntax { get; set; }
+    public string InterfaceName { get; set; }
+    public string InterfaceFillName { get; set; }
+    public string Namespace { get; set; }
+    public string Path { get; set; }
+}