Remove “Database setup” from getting started docs

And add more info about KOLIBRI_HOME

docs/getting_started.rst

@@ -131,6 +131,10 @@ There are two environment variables you should plan to set:
 
   This variable determines where Kolibri will store its content and databases. It is useful to set if you want to have multiple versions of Kolibri running simultaneously.
 
+  .. note::
+    If ``KOLIBRI_HOME`` is not set, Kolibri will use ``~/.kolibri`` (on MacOS or Linux) or ``C:\.kolibri`` (on Windows) by default
+
+
 
 Install Python dependencies
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -175,16 +179,6 @@ Running the Kolibri server
 
 .. _devserver:
 
-Database setup
-~~~~~~~~~~~~~~
-
-To initialize the database run the following command:
-
-.. code-block:: bash
-
-  kolibri manage migrate
-
-
 Development server
 ~~~~~~~~~~~~~~~~~~
 
@@ -194,7 +188,9 @@ To start up the development server and build the client-side dependencies, use t
 
   yarn run devserver
 
-This will take some time to build the front-end assets, after which you should be able to access the server at ``http://127.0.0.1:8000/``.
+When you run this command for the first time, a new folder will be created at the ``KOLIBRI_HOME`` (or the default) path. Inside, a new sqlite database will be created for you and all current database migrations applied on it.
+
+It may take some time to build the front-end assets, after which you should be able to access the server at ``http://127.0.0.1:8000/``.
 
 Alternatively, you can run the devserver with `hot reload <https://vue-loader.vuejs.org/guide/hot-reload.html>`__ enabled using: