Updated plugin installation

DiscordBotCore/Others/Exceptions/DependencyNotFoundException.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace DiscordBotCore.Others.Exceptions;
+
+public class DependencyNotFoundException : Exception
+{
+    private string PluginName { get; set; }
+    public DependencyNotFoundException(string message): base(message)
+    {
+        
+    }
+    
+    public DependencyNotFoundException(string message, string pluginName): base(message)
+    {
+        this.PluginName = pluginName;
+    }
+    
+}