Add getting started resources

docs/gettingstarted.md

@@ -0,0 +1,13 @@
+# Getting started 
+
+## PyPowSyBl notebooks
+Have a look at our [PyPowSyBl notebooks](https://github.com/powsybl/pypowsybl-notebooks)!
+
+## Java tutorials
+Check our [Java tutorials](https://github.com/powsybl/powsybl-tutorials)
+
+## Java dependency management for beginners
+You want to start experiencing with Java but you are having a hard time with Maven? Use [powsybl-starter](https://github.com/powsybl/powsybl-starter) that allows you to use PowSyBl main functionalities and start working from here!
+
+## Start with Itools
+Find information on Itools commands and how to use PowSyBl distribution [here](itools.md).

docs/index.md

@@ -8,6 +8,7 @@ hidden: true
 ---
 
 releasetrain.md
+gettingstarted.md
 
 ```