Add docs for the Command Service

docs/guides/samples/module.cs

@@ -0,0 +1,40 @@
+using Discord.Commands;
+
+// Create a module with no prefix
+[Module]
+public class Info
+{
+    // ~say hello -> hello
+    [Command("say"), Description("Echos a message.")]
+    public async Task Say(IMessage msg,
+        [Unparsed, Description("The text to echo")] string echo)
+    {
+        await msg.Channel.SendMessageAsync(echo);
+    }
+}
+
+// Create a module with the 'sample' prefix
+[Module("sample")]
+public class Sample
+{
+    // ~sample square 20 -> 
+    [Command("square"), Description("Squares a number.")]
+    public async Task Square(IMessage msg,
+        [Description("The number to square.")] int num)
+    {
+        await msg.Channel.SendMessageAsync($"{num}^2 = {Math.Pow(num, 2)}");
+    }
+
+    // ~sample userinfo --> foxbot#0282
+	// ~sample userinfo @Khionu --> Khionu#8708
+	// ~sample userinfo Khionu#8708 --> Khionu#8708
+	// ~sample userinfo Khionu --> Khionu#8708
+	// ~sample userinfo 96642168176807936 --> Khionu#8708
+	[Command("userinfo"), Description("Returns info about the current user, or the user parameter, if one passed.")]
+    public async Task UserInfo(IMessage msg,
+        [Description("The (optional) user to get info for")] IUser user = null)
+    {
+        var userInfo = user ?? await Program.Client.GetCurrentUserAsync();
+        await msg.Channel.SendMessageAsync($"{userInfo.Username}#{userInfo.Discriminator}");
+    }
+}