Adds required admin permission for admin commands.

Tools/BiblioTech/BaseCommand.cs

@@ -9,13 +9,8 @@ namespace BiblioTech
         public abstract string Name { get; }
         public abstract string StartingMessage { get; }
         public abstract string Description { get; }
-        public virtual CommandOption[] Options
-        {
-            get
-            {
-                return Array.Empty<CommandOption>();
-            }
-        }
+        public virtual CommandOption[] Options => Array.Empty<CommandOption>();
+        public virtual bool IsAdminCommand => false;
 
         public async Task SlashCommandHandler(SocketSlashCommand command)
         {

Tools/BiblioTech/CommandHandler.cs

@@ -30,6 +30,11 @@ namespace BiblioTech
                     .WithName(c.Name)
                     .WithDescription(c.Description);
 
+                if (c.IsAdminCommand)
+                {
+                    builder.WithDefaultMemberPermissions(GuildPermission.Administrator);
+                }
+
                 foreach (var option in c.Options)
                 {
                     builder.AddOption(option.Build());

Tools/BiblioTech/Commands/AdminCommand.cs

@@ -25,6 +25,7 @@ namespace BiblioTech.Commands
         public override string Name => "admin";
         public override string StartingMessage => "...";
         public override string Description => "Admins only.";
+        public override bool IsAdminCommand => true;
 
         public override CommandOption[] Options => new CommandOption[]
         {