add references

docs/reference/reference.md

@@ -1,4 +1,31 @@
 <!-- This part of the project documentation focuses on
 an **information-oriented** approach. Use it as a
 reference for the technical implementation of the
-`calculator` project code. -->
+`calculator` project code. -->
+
+## Index of References
+
+This index provides a structured overview of the various reference documentation pages for the project, using the Diátaxis framework. Each page focuses on different components and functionalities of the project.
+
+### Documentation Pages
+
+#### [Base](base.md)
+This page details the foundational elements of the project. It includes core classes, functions, and their interactions.
+
+#### [Handler](handler.md)
+The handler documentation covers the management of different processes within the project. It outlines the implementation and usage of handlers in various scenarios.
+
+#### [Reference](reference.md)
+The reference page serves as a comprehensive guide to all modules, classes, and functions in the project. It is an exhaustive resource for understanding the project's API and architecture.
+
+#### [Renderer](renderer.md)
+This section explains the rendering process, detailing how data is transformed and presented. It includes examples and best practices for implementing renderers.
+
+#### [Test](test.md)
+The test documentation provides guidelines on how to write and run tests for the project. It includes details on testing frameworks, test coverage, and sample test cases.
+
+#### [Utils](utils.md)
+This page describes the utility functions and helper modules available in the project. It covers common patterns and reusable components that assist in project development.
+
+#### [Windows](windows.md)
+The windows documentation focuses on platform-specific considerations and implementations for Windows. It includes installation instructions, troubleshooting tips, and performance optimizations.