[ifcbrk] feature: Implement Client Status Support (#1247)

* Implement Client Status Support

Adds support for using the client_status as sent as part of the Presence model. This value can be used to determine if a user is active on the native desktop app, the mobile app, or the website.

* lint: whitespace in IPresence

* Remove breaking change to IPresence interface with a note for 2.1

* update comment to not reference 2.1

* re-add interface break to IPresence

* add example payload for client_status

* use inline declaration for Enum.TryParse

src/Discord.Net.Rest/API/Common/Presence.cs

@@ -1,5 +1,6 @@
-#pragma warning disable CS1591
+#pragma warning disable CS1591
 using Newtonsoft.Json;
+using System.Collections.Generic;
 
 namespace Discord.API
 {
@@ -18,5 +19,12 @@ namespace Discord.API
         public Optional<ulong[]> Roles { get; set; }
         [JsonProperty("nick")]
         public Optional<string> Nick { get; set; }
+        // This property is a Dictionary where each key is the ClientType
+        // and the values are the current client status.
+        // The client status values are all the same.
+        // Example:
+        //   "client_status": { "desktop": "dnd", "mobile": "dnd" }
+        [JsonProperty("client_status")]
+        public Optional<Dictionary<string, string>> ClientStatus { get; set; }
     }
 }