Gracefully handle corrupt plugin zips

Torch/Plugins/PluginManager.cs

@@ -206,6 +206,8 @@ namespace Torch.Managers
             PluginsLoaded?.Invoke(_plugins.Values.AsReadOnly());
         }
 
+        //debug flag is set when the user asks us to run with a specific plugin for plugin development debug
+        //please do not change references to this arg unless you are very sure you know what you're doing
         private List<PluginItem> GetLocalPlugins(string pluginDir, bool debug = false)
         {
             var firstLoad = Torch.Config.Plugins.Count == 0;
@@ -504,6 +506,8 @@ namespace Torch.Managers
         }
         
         private PluginManifest GetManifestFromZip(string path)
+        {
+            try
             {
                 using (var zipFile = ZipFile.OpenRead(path))
                 {
@@ -518,6 +522,12 @@ namespace Torch.Managers
                         }
                     }
                 }
+            }
+            catch (Exception ex)
+            {
+                _log.Error(ex, $"Error opening zip! File is likely corrupt. File at {path} will be deleted and re-acquired on the next restart!");
+                File.Delete(path);
+            }
 
             return null;
         }