Documentation for v0.1 version (#199)

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

---------

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

docs/source/_rst/geometry/cartesian.rst

@@ -1,5 +1,5 @@
 CartesianDomain
-===========
+======================
 .. currentmodule:: pina.geometry.cartesian
 
 .. automodule:: pina.geometry.cartesian

docs/source/_rst/geometry/difference_domain.rst

@@ -0,0 +1,9 @@
+Difference
+======================
+.. currentmodule:: pina.geometry.difference_domain
+
+.. automodule:: pina.geometry.difference_domain
+
+.. autoclass:: Difference
+    :members:
+    :show-inheritance:

docs/source/_rst/geometry/ellipsoid.rst

@@ -1,5 +1,5 @@
 EllipsoidDomain
-===========
+======================
 .. currentmodule:: pina.geometry.ellipsoid
 
 .. automodule:: pina.geometry.ellipsoid

docs/source/_rst/geometry/exclusion_domain.rst

@@ -0,0 +1,9 @@
+Exclusion
+======================
+.. currentmodule:: pina.geometry.exclusion_domain
+
+.. automodule:: pina.geometry.exclusion_domain
+
+.. autoclass:: Exclusion
+    :members:
+    :show-inheritance:

docs/source/_rst/geometry/intersection_domain.rst

@@ -0,0 +1,9 @@
+Intersection
+======================
+.. currentmodule:: pina.geometry.intersection_domain
+
+.. automodule:: pina.geometry.intersection_domain
+
+.. autoclass:: Intersection
+    :members:
+    :show-inheritance:

docs/source/_rst/geometry/location.rst

@@ -1,10 +1,9 @@
 Location
-=========
+====================
 .. currentmodule:: pina.geometry.location
 
 .. automodule:: pina.geometry.location
 
 .. autoclass:: Location
     :members:
-    :private-members:
     :show-inheritance:

docs/source/_rst/geometry/operation_interface.rst

@@ -0,0 +1,9 @@
+OperationInterface
+======================
+.. currentmodule:: pina.geometry.operation_interface
+
+.. automodule:: pina.geometry.operation_interface
+
+.. autoclass:: OperationInterface
+    :members:
+    :show-inheritance:

docs/source/_rst/geometry/simplex.rst

@@ -1,5 +1,5 @@
 SimplexDomain
-===========
+======================
 .. currentmodule:: pina.geometry.simplex
 
 .. automodule:: pina.geometry.simplex

docs/source/_rst/geometry/union_domain.rst

@@ -0,0 +1,9 @@
+Union
+======================
+.. currentmodule:: pina.geometry.union_domain
+
+.. automodule:: pina.geometry.union_domain
+
+.. autoclass:: Union
+    :members:
+    :show-inheritance: