Converted the project in C#, added Entity Framework Core.

Config.cs

@@ -0,0 +1,11 @@
+namespace IsleBot;
+
+public class Config
+{
+    public string DiscordToken { get; set; }
+
+    public Config(string discordToken)
+    {
+        DiscordToken = discordToken;
+    }
+}