[Docs] Spanish Translation -Torchscript md & Trainer md (#29310)

* torchscript and trainer md es translation

* corrected md es files and even corrected spelling in en md

* made es corrections to trainer.md

* deleted entrenamiento... title on yml

* placed entrenamiento in right place

docs/source/es/_toctree.yml

@@ -56,12 +56,16 @@
     title: Compartir modelos personalizados
   - local: run_scripts
     title: Entrenamiento con scripts
+  - local: trainer
+    title: Entrenador
   - local: sagemaker
     title: Ejecutar el entrenamiento en Amazon SageMaker
   - local: converting_tensorflow_models
     title: Convertir checkpoints de TensorFlow
   - local: serialization
     title: Exportar a ONNX
+  - local: torchscript
+    title: Exportar a TorchScript
   - local: community
     title: Los recursos de la comunidad
   title: Guías para desarrolladores