fix bugs

docs/source/installation.rst

@@ -29,24 +29,28 @@ If you are working Windows, you can install PyTorch with
 Otherwise, you can proceed with:
 
 .. code-block:: bash
+
     pip install pytorch-forecasting
 
 
 Alternatively, to install the package via ``conda``:
 .. code-block:: bash
+
     conda install pytorch-forecasting pytorch>=1.7 -c pytorch -c conda-forge
 
 PyTorch Forecasting is now installed from the conda-forge channel while PyTorch is install from the pytorch channel.
 
 To install ``pytorch-forecasting`` with the use of the MQF2 loss (multivariate quantile loss), run:
 
 .. code-block:: bash
+
     pip install pytorch-forecasting[mqf2]
 
 
 To install the Pytorch Lightning library, please visit their `official page <https://lightning.ai/docs/pytorch/stable/starter/installation.html>`__ or run:
 
 .. code-block:: bash
+
     pip install lightning