Add getting started docs

Author: tim-schilling

docs/getting_started.md

@@ -0,0 +1,12 @@
+# Getting Started
+
+This is an example project. You should not be using this. That said,
+after [installing the project](installation.md), you can use the functionality
+as such:
+
+```python
+from django_commons_playground import playground
+
+print(playground.seesaw())
+print(playground.seesaw())
+```