implement plugins section

TorchRemote.Plugin/Utils/PluginManifestUtils.cs

@@ -0,0 +1,29 @@
+using System.IO;
+using System.IO.Compression;
+using System.Xml.Serialization;
+using Torch;
+
+namespace TorchRemote.Plugin.Utils;
+
+public static class PluginManifestUtils
+{
+    private static readonly XmlSerializer Serializer = new(typeof(PluginManifest));
+    
+    public static PluginManifest Read(Stream stream)
+    {
+        return (PluginManifest)Serializer.Deserialize(stream);
+    }
+
+    public static PluginManifest ReadFromZip(Stream stream)
+    {
+        using var archive = new ZipArchive(stream);
+        using var entryStream = archive.GetEntry("manifest.xml")!.Open();
+        return Read(entryStream);
+    }
+
+    public static PluginManifest ReadFromZip(string archivePath)
+    {
+        using var stream = File.OpenRead(archivePath);
+        return ReadFromZip(stream);
+    }
+}