Add comment about errors on success

src/CCVTAC.Console/ExternalTools/Runner.cs

@@ -50,7 +50,7 @@ private static bool IsSuccessExitCode(HashSet<int> otherSuccessExitCodes, int ex
 
         var trimmedErrors = errors.TrimTerminalLineBreak();
         return IsSuccessExitCode(otherSuccessExitCodes ?? [], process.ExitCode)
-            ? Result.Ok((process.ExitCode, trimmedErrors))
+            ? Result.Ok((process.ExitCode, trimmedErrors)) // Errors will be considered warnings.
             : Result.Fail($"[{settings.Program.Name}] Exit code {process.ExitCode}: {trimmedErrors}.");
     }
 }