feature: Add role tags (#1721)

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

@@ -1,4 +1,4 @@
-#pragma warning disable CS1591
+#pragma warning disable CS1591
 using Newtonsoft.Json;
 
 namespace Discord.API
@@ -21,5 +21,7 @@ namespace Discord.API
         public ulong Permissions { get; set; }
         [JsonProperty("managed")]
         public bool Managed { get; set; }
+        [JsonProperty("tags")]
+        public Optional<RoleTags> Tags { get; set; }
     }
 }

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

@@ -0,0 +1,15 @@
+#pragma warning disable CS1591
+using Newtonsoft.Json;
+
+namespace Discord.API
+{
+    internal class RoleTags
+    {
+        [JsonProperty("bot_id")]
+        public Optional<ulong> BotId { get; set; }
+        [JsonProperty("integration_id")]
+        public Optional<ulong> IntegrationId { get; set; }
+        [JsonProperty("premium_subscriber")]
+        public Optional<bool?> IsPremiumSubscriber { get; set; }
+    }
+}