Added some documentation

it triggered me that this was missing, okay?

Moonlight/Core/Http/Controllers/AvatarController.cs

@@ -55,9 +55,9 @@ public class AvatarController : Controller
         if (!IdentityService.IsLoggedIn)
             return StatusCode(403);
 
-        if (ConfigService.Get().Security.EnforceAvatarPrivacy &&
+        if (ConfigService.Get().Security.EnforceAvatarPrivacy && // Do we need to enforce privacy?
-            id != IdentityService.CurrentUser.Id &&
+            id != IdentityService.CurrentUser.Id && // is the user not viewing his own image?
-            IdentityService.CurrentUser.Permissions < 1000)
+            IdentityService.CurrentUser.Permissions < 1000) // and not an admin?
         {
             return StatusCode(403);
         }

Moonlight/Core/Services/DiagnoseService.cs

@@ -22,13 +22,16 @@ public class DiagnoseService
     {
         using var scope = ServiceProvider.CreateScope();
         
+        // Create in memory zip archive
         using var dataStream = new MemoryStream();
         var zipArchive = new ZipArchive(dataStream, ZipArchiveMode.Create, true);
 
+        // Call every plugin to perform their modifications to the file
         await PluginService.ExecuteFuncAsync<IDiagnoseAction>(
             async x => await x.GenerateReport(zipArchive, scope.ServiceProvider)
         );
 
+        // Add a timestamp
         await zipArchive.AddText("exported_at.txt", Formatter.FormatDate(DateTime.UtcNow));
         
         zipArchive.Dispose();

Moonlight/Core/Services/UnloadService.cs

@@ -5,7 +5,7 @@ using MoonCore.Helpers;
 namespace Moonlight.Core.Services;
 
 /// <summary>
-/// This class provides a event to execute code when a user leaves the page
+/// This class provides an event to execute code when a user leaves the page
 /// </summary>
 
 [Scoped]