Added minimal descriptions from the API documentation for Integration types

src/Discord.Net.Core/Entities/Guilds/IGuildIntegration.cs

@@ -1,17 +1,44 @@
-using System;
+using System;
 
 namespace Discord
 {
     public interface IGuildIntegration
     {
+        /// <summary>
+        ///     The integration ID.
+        /// </summary>
         ulong Id { get; }
+        /// <summary>
+        ///     The integration name.
+        /// </summary>
         string Name { get; }
+        /// <summary>
+        ///     The integration type (twich, youtube, etc).
+        /// </summary>
         string Type { get; }
+        /// <summary>
+        ///     Is this integration enabled?
+        /// </summary>
         bool IsEnabled { get; }
+        /// <summary>
+        ///     Is this integration syncing?
+        /// </summary>
         bool IsSyncing { get; }
+        /// <summary>
+        ///     ID that this integration uses for "subscribers".
+        /// </summary>
         ulong ExpireBehavior { get; }
+        /// <summary>
+        ///     The grace period before expiring subscribers.
+        /// </summary>
         ulong ExpireGracePeriod { get; }
+        /// <summary>
+        ///     When this integration was last synced.
+        /// </summary>
         DateTimeOffset SyncedAt { get; }
+        /// <summary>
+        ///     Integration account information. See <see cref="IntegrationAccount"/>.
+        /// </summary>
         IntegrationAccount Account { get; }
 
         IGuild Guild { get; }

src/Discord.Net.Core/Entities/Guilds/IntegrationAccount.cs

@@ -1,11 +1,17 @@
-using System.Diagnostics;
+using System.Diagnostics;
 
 namespace Discord
 {
     [DebuggerDisplay("{DebuggerDisplay,nq}")]
     public struct IntegrationAccount
     {
+        /// <summary>
+        ///     ID of the account.
+        /// </summary>
         public string Id { get; }
+        /// <summary>
+        ///     Name of the account.
+        /// </summary>
         public string Name { get; private set; }
 
         public override string ToString() => Name;