Added documentation for rest integrations

src/Discord.Net.Rest/Entities/Integrations/RestIntegration.cs

@@ -5,6 +5,9 @@ using Model = Discord.API.Integration;
 
 namespace Discord.Rest
 {
+    /// <summary>
+    ///     Represents a Rest-based implementation of <see cref="IIntegration"/>.
+    /// </summary>
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public class RestIntegration : RestEntity<ulong>, IIntegration
     {

src/Discord.Net.Rest/Entities/Integrations/RestIntegrationAccount.cs

@@ -2,6 +2,9 @@ using Model = Discord.API.IntegrationAccount;
 
 namespace Discord.Rest
 {
+    /// <summary>
+    ///     Represents a Rest-based implementation of <see cref="IIntegrationAccount"/>.
+    /// </summary>
     public class RestIntegrationAccount : IIntegrationAccount
     {
         internal RestIntegrationAccount() { }

src/Discord.Net.Rest/Entities/Integrations/RestIntegrationApplication.cs

@@ -2,6 +2,9 @@ using Model = Discord.API.IntegrationApplication;
 
 namespace Discord.Rest
 {
+    /// <summary>
+    ///     Represents a Rest-based implementation of <see cref="IIntegrationApplication"/>.
+    /// </summary>
     public class RestIntegrationApplication : RestEntity<ulong>, IIntegrationApplication
     {
         public string Name { get; private set; }