Update Part1GettingStarted.md

Updated section headings

Author: spetebroodt

user-guide/Part1GettingStarted/Part1GettingStarted.md

@@ -1,30 +1,30 @@
 # Getting started with DataMiner
 
-## Get to know the basics
+### Get to know the basics
 
 - [Basic concepts](../part_1/BasicConcepts/BasicConcepts.md#basic-concepts)
 - [DataMiner System layout](../part_1/GeneralLayout/GeneralLayout.md#dataminer-system-layout)
 - [Accessing DataMiner](../part_1/DataminerApplications/DataminerApplications.md#accessing-dataminer)
 - [The DataMiner user interface](../part_1/GettingStarted/GettingStarted.md#the-dataminer-user-interface)
 
-## Discover DataMiner in detail
+### Discover DataMiner in detail
 
 - [Basic DataMiner functionality](../Part2BasicFunctionalities/Part2BasicFunctionalities.md#basic-dataminer-functionality)
 
-## More on specific DataMiner modules
+### More on specific DataMiner modules
 
 - [Advanced DataMiner modules](../Part4AdvancedModules/Part4AdvancedModules.md#advanced-dataminer-modules)
 
-## Discover our DataMiner Standard Apps
+### Discover our DataMiner Standard Apps
 
 - [DataMiner Standard Apps](../Part5StandardApps/Part5StandardApps.md#dataminer-standard-apps)
 
-## Are you a DataMiner Administrator?
+### Are you a DataMiner Administrator?
 
 - [Advanced DataMiner functionality for administrators](../Part3AdvancedFunctionalities/Part3AdvancedFunctionalities.md#advanced-dataminer-functionality-for-administrators)
 - [Reference](../Part7Reference/Part7Reference.md#reference)
 
-## Looking to solve a problem?
+### Looking to solve a problem?
 
 - [Troubleshooting](../Part6Troubleshooting/Part6Troubleshooting.md#troubleshooting)