fix contents

doc/source/index.rst

@@ -38,3 +38,17 @@ Key Features
 * It supports multiple types of solvers such as Gurobi, CPLEX, MOSEK, and GLPK via `Pyomo <https://pyomo.readthedocs.io/en/stable/solving_pyomo_models.html>`_.
 * It allows input of multiple scenarios for specific parameters.
 * As a pure Python program, it benefits from the use of ``pandas`` and ``Xarray``, simplifying complex data analysis and promoting extensibility.
+
+Let's Get Started
+-----------------
+We've prepared a comprehensive guide to help you understand and use PREP-SHOT efficiently. Explore the sections below to learn more:
+
+.. toctree::
+   :maxdepth: 2
+
+   Installation
+   Getting_started
+   User_guide
+   Tutorial
+   Mathematical_notations
+   Changelog