Documentation for v0.1 version (#199)

* Adding Equations, solving typos
* improve _code.rst
* the team rst and restuctore index.rst
* fixing errors

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Co-authored-by: Dario Coscia <dariocoscia@dhcp-015.eduroam.sissa.it>

docs/sphinx_extensions/paramref_extension.py

@@ -0,0 +1,11 @@
+from docutils import nodes
+from docutils.parsers.rst.roles import register_local_role
+
+def paramref_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
+    # Simply replace :paramref: with :param:
+    new_role = nodes.literal(text=text[1:])
+    return [new_role], []
+
+def setup(app):
+    register_local_role('paramref', paramref_role)
+