Initial untested impl of the bakery rewriter

sources/Core/Annotations/SupportedApiProfileAttribute.cs

@@ -0,0 +1,43 @@
+namespace Silk.NET.Core;
+
+/// <summary>
+/// Indicates that the annotated API is supported using a specific API profile.
+/// </summary>
+/// <param name="profile">The API profile supported.</param>
+[AttributeUsage(
+    AttributeTargets.Assembly
+        | AttributeTargets.Class
+        | AttributeTargets.Constructor
+        | AttributeTargets.Enum
+        | AttributeTargets.Event
+        | AttributeTargets.Field
+        | AttributeTargets.Interface
+        | AttributeTargets.Method
+        | AttributeTargets.Module
+        | AttributeTargets.Property
+        | AttributeTargets.Struct,
+    AllowMultiple = true,
+    Inherited = false
+)]
+public class SupportedApiProfileAttribute(string profile) : Attribute
+{
+    /// <summary>
+    /// The API profile supported e.g. gl, glcore, gles2, vulkan, vulkansc, etc.
+    /// </summary>
+    public string Profile { get; } = profile;
+
+    /// <summary>
+    /// The API extension required (in its native form).
+    /// </summary>
+    public string? Extension { get; init; }
+
+    /// <summary>
+    /// The minimum version of this API profile required in order to be supported.
+    /// </summary>
+    public string? MinVersion { get; init; }
+
+    /// <summary>
+    /// The maximum version of this API profile required in order to be supported.
+    /// </summary>
+    public string? MaxVersion { get; init; }
+}