Merge branch 'erodrigu-docs-1' into 'master'

DaVinci docs site - a bit more structure

See merge request !742

doc/guide/developing.rst

+Developing DaVinci
+==================
+
+
+Coding conventions
+------------------
+
+
+Tests and continuous integration
+--------------------------------
+
+
+Debugging
+---------

doc/guide/funtuple.rst

+Tupling with FunTuple
+=====================

doc/index.rst

@@ -27,7 +27,9 @@ and Turbo output.
    :maxdepth: 3
 
    configuration/davinci_configuration
-   guide/documentation.rst
+   guide/funtuple
+   guide/developing
+   guide/documentation
 
 .. toctree::
    :caption: Examples & Tutorials