Add update mechanism to MarkdownViewer resources, move link opening behavior to WebpagePanel

QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/GenerateEmbeddedResourcesHash.ps1

@@ -0,0 +1,54 @@
+param(
+    [Parameter(Mandatory=$true)]
+    [string]$ResourcesDir,
+    
+    [Parameter(Mandatory=$true)]
+    [string]$OutputFile
+)
+
+# Get all files in the Resources directory
+$files = Get-ChildItem -Path $ResourcesDir -Recurse -File | Sort-Object -Property FullName
+
+# Create SHA256 hasher
+$sha256 = [System.Security.Cryptography.SHA256]::Create()
+
+# Create memory stream to combine all file contents
+$memoryStream = New-Object System.IO.MemoryStream
+
+# Add each file's path and contents to the hash
+foreach ($file in $files) {
+    # Get relative path and convert to lowercase for consistent hashing
+    $relativePath = $file.FullName.Substring($ResourcesDir.Length + 1).ToLowerInvariant()
+    $pathBytes = [System.Text.Encoding]::UTF8.GetBytes("QuickLook.Plugin.MarkdownViewer.Resources.$relativePath".Replace("\", "/"))
+    $memoryStream.Write($pathBytes, 0, $pathBytes.Length)
+    
+    # Add file contents
+    $fileBytes = [System.IO.File]::ReadAllBytes($file.FullName)
+    $memoryStream.Write($fileBytes, 0, $fileBytes.Length)
+}
+
+# Calculate final hash
+$hashBytes = $sha256.ComputeHash($memoryStream.ToArray())
+$hash = [BitConverter]::ToString($hashBytes).Replace("-", "").ToLowerInvariant()
+
+# Generate C# code
+$code = @"
+// <auto-generated>
+// This file was generated during build to indicate changes to embedded resources.
+// </auto-generated>
+
+namespace QuickLook.Plugin.MarkdownViewer
+{
+    internal static class EmbeddedResourcesHash
+    {
+        internal const string Hash = "$hash";
+    }
+}
+"@
+
+# Write to output file
+[System.IO.File]::WriteAllText($OutputFile, $code)
+
+# Cleanup
+$memoryStream.Dispose()
+$sha256.Dispose()