update rst

docs/source/_rst/equation/equation.rst

@@ -0,0 +1,7 @@
+Equation
+==========
+
+.. currentmodule:: pina.equation.equation
+.. autoclass:: Equation
+   :members:
+   :show-inheritance:

docs/source/_rst/equation/equation_factory.rst

@@ -0,0 +1,19 @@
+Equation Factory
+==================
+
+.. currentmodule:: pina.equation.equation_factory
+.. autoclass:: FixedValue
+   :members:
+   :show-inheritance:
+
+.. autoclass:: FixedGradient
+   :members:
+   :show-inheritance:
+
+.. autoclass:: FixedFlux
+   :members:
+   :show-inheritance:
+
+.. autoclass:: Laplace
+   :members:
+   :show-inheritance:

docs/source/_rst/equation/equation_interface.rst

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+Equation Interface
+====================
+
+.. currentmodule:: pina.equation.equation_interface
+.. autoclass:: EquationInterface
+   :members:
+   :show-inheritance:

docs/source/_rst/equation/system_equation.rst

@@ -0,0 +1,7 @@
+System Equation
+=================
+
+.. currentmodule:: pina.equation.system_equation
+.. autoclass:: SystemEquation
+   :members:
+   :show-inheritance: