Update images (#436)

docs/clearml_data/clearml_data.md

@@ -14,7 +14,7 @@ ClearML Data Management solves two important challenges:
 - Accessibility - Making data easily accessible from every machine,
 - Versioning - Linking data and experiments for better **traceability**.
 
-![Dataset lineage](../img/webapp_dataset_lineage.png)
+![Dataset lineage and preview](../img/webapp_dataset_lineage_preview.png)
 
 **We believe Data is not code**. It should not be stored in a git tree, because progress on datasets is not always linear.
 Moreover, it can be difficult and inefficient to find on a git tree the commit associated with a certain version of a dataset.

docs/clearml_serving/clearml_serving.md

@@ -59,6 +59,8 @@ solution.
 
 * **Dashboards** - Customizable dashboard solution on top of the collected statistics, e.g. Grafana
 
+![Grafana dashboard](../img/clearml_serving_grafana.png)
+
 ## Next Steps
 
 See ClearML Serving setup instructions [here](clearml_serving_setup.md). For further details, see the ClearML Serving