#46 insert box to user_guide and getting start

docs/source/index.rst

@@ -6,8 +6,6 @@
 Welcome to Hygia's documentation!
 =================================
 
-
-
 `Hygia` is an open source, MIT-licensed library providing high-performance,
 easy-to-use playground to organize, compare, register and share Machine Learning experiments on Databases developed in `Python <https://www.python.org/>`__
 programming language.
@@ -25,7 +23,41 @@ With `Hygia`, you can configure your data pipeline, customize the operations exe
 - Organize and display experiments and model metadata however you want
 - Share and collaborate on experiment results and models across the org
 
+.. panels::
+    :card: + intro-card text-center
+    :column: col-lg-6 col-md-6 col-sm-6 col-xs-12 d-flex
+
+    ---
+    :img-top: _static/index_getting_started.svg
+
+    Getting started
+    ^^^^^^^^^^^^^^^
+
+    New to *Hygia*? Check out the getting started guides. They contain an
+    introduction to *Hygia'* main concepts and links to additional tutorials.
+
+    +++
+
+    .. link-button:: getting_started
+            :type: ref
+            :text: To the getting started guides
+            :classes: btn-block btn-secondary stretched-link
+
+    ---
+    :img-top: _static/index_user_guide.svg
+
+    User guide
+    ^^^^^^^^^^
+
+    The user guide provides in-depth information on the
+    key concepts of Hygia with useful background information and explanation.
+
+    +++
 
+    .. link-button:: user_guide
+            :type: ref
+            :text: To the user guide
+            :classes: btn-block btn-secondary stretched-link
 
 .. toctree::
    :maxdepth: 2