Update ignite and PyTorch Lightning

docs/guides/frameworks/pytorch_ignite/pytorch_ignite_mnist.md

@@ -161,15 +161,18 @@ When the code runs, the task results can be viewed in the [ClearML Web UI](../..
 View the scalars, including training and validation metrics, in the task's page in the ClearML Web UI, under 
 **SCALARS**.
 
-![Task scalars](../../../img/ignite_training.png)
+![Task scalars](../../../img/ignite_training.png#light-mode-only)
+![Task scalars](../../../img/ignite_training_dark.png#dark-mode-only)
 
 ### Model Snapshots
  
 
 View saved snapshots in the **ARTIFACTS** tab.
 
-![image](../../../img/ignite_artifact.png)
+![Task Artifacts](../../../img/ignite_artifact.png#light-mode-only)
+![Task Artifacts](../../../img/ignite_artifact_dark.png#dark-mode-only)
 
 To view model details, in the **ARTIFACTS** tab, click the model name (or download it).
 
-![image](../../../img/ignite_model.png)
+![Model details](../../../img/ignite_model.png#light-mode-only)
+![Model details](../../../img/ignite_model_dark.png#dark-mode-only)

docs/integrations/pytorch_lightning.md

@@ -31,7 +31,8 @@ And that's it! This creates a [ClearML Task](../fundamentals/task.md) which capt
 
 You can view all the task details in the [WebApp](../webapp/webapp_overview.md). 
 
-![LightningCLI params](../img/integrations_lightningcli_params.png)
+![LightningCLI params](../img/integrations_lightningcli_params.png#light-mode-only)
+![LightningCLI params](../img/integrations_lightningcli_params_dark.png#dark-mode-only)
 
 See an example of PyTorch Lightning and ClearML in action [here](../guides/frameworks/pytorch_lightning/pytorch_lightning_example.md).