Optional Aliasses, Summary and Remarks Properties to CommandAttribute (#2700)

* add optional remarks, aliases and summary properties to the CommandAttribute

* fix inline doc typo

* add CommandAttribute Aliasses prop integration

* add CommandAttribute Aliasses prop integration

* add ctor with new params

---------

Co-authored-by: Misha133 <mihagribkov133@gmail.com>

src/Discord.Net.Commands/Attributes/CommandAttribute.cs

@@ -18,6 +18,30 @@ namespace Discord.Commands
         public RunMode RunMode { get; set; } = RunMode.Default;
         public bool? IgnoreExtraArgs { get; }
 
+        /// <summary>
+        ///     Attaches a summary to your command.
+        /// </summary>
+        /// <remarks>
+        ///     <see cref="Summary"/> overrides the value of this property if present.
+        /// </remarks>
+        public string Summary { get; set; }
+
+        /// <summary>
+        ///     Marks the aliases for a command.
+        /// </summary>
+        /// <remarks>
+        ///     <see cref="AliasAttribute"/> extends the base value of this if present.
+        /// </remarks>
+        public string[] Aliases { get; set; }
+
+        /// <summary>
+        ///     Attaches remarks to your commands.
+        /// </summary>
+        /// <remarks>
+        ///     <see cref="RemainderAttribute"/> overrides the value of this property if present.
+        /// </remarks>
+        public string Remarks { get; set; }
+
         /// <inheritdoc />
         public CommandAttribute()
         {
@@ -32,10 +56,20 @@ namespace Discord.Commands
         {
             Text = text;
         }
+
         public CommandAttribute(string text, bool ignoreExtraArgs)
         {
             Text = text;
             IgnoreExtraArgs = ignoreExtraArgs;
         }
+
+        public CommandAttribute(string text, bool ignoreExtraArgs, string summary = default, string[] aliases = default, string remarks = default)
+        {
+            Text = text;
+            IgnoreExtraArgs = ignoreExtraArgs;
+            Summary = summary;
+            Aliases = aliases;
+            Remarks = remarks;
+        }
     }
 }

src/Discord.Net.Commands/Builders/ModuleClassBuilder.cs

@@ -154,6 +154,9 @@ namespace Discord.Commands
                 switch (attribute)
                 {
                     case CommandAttribute command:
+                        builder.Summary ??= command.Summary;
+                        builder.Remarks ??= command.Remarks;
+                        builder.AddAliases(command.Aliases ?? Array.Empty<string>());
                         builder.AddAliases(command.Text);
                         builder.RunMode = command.RunMode;
                         builder.Name ??= command.Text;