feat(commands): add RequireBotOwnerAttribute

VpSharp.Commands/Attributes/ExecutionChecks/RequireBotOwnerAttribute.cs

@@ -0,0 +1,14 @@
+namespace VpSharp.Commands.Attributes.ExecutionChecks;
+
+/// <summary>
+///     Specifies that this command can only be run by the user under whom this bot is authenticated.
+/// </summary>
+public sealed class RequireBotOwnerAttribute : PreExecutionCheckAttribute
+{
+    /// <inheritdoc />
+    protected internal override Task<bool> PerformAsync(CommandContext context)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        return Task.FromResult(context.Avatar.User.Id == context.Client.CurrentUser?.Id);
+    }
+}