Added Overview

docs/faq.rst

@@ -4,6 +4,23 @@
 Frequently Asked Questions
 **************************
 
+Overview
+--------
+
+Welcome to the FAQ section! Here, you'll find answers to common questions about TARDIS.
+
+- :ref:`faq-usage` - Questions related to the usage of TARDIS
+
+     - :ref:`faq-usage-memory` - My simulation seems to consume excessive amounts of memory
+
+Overview
+--------
+
+Welcome to our FAQ section! Here, you'll find answers to common questions about our software.
+
+- :ref:`faq-installation` - How do I install the software?
+- :ref:`faq-usage` - How do I perform a specific task?
+
 Usage
 -----
 
@@ -12,6 +29,8 @@ Usage
 My simulation seems to consume excessive amounts of memory
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+.. _faq-usage-memory:
+
 High memory usage can have many reasons. Both your model
 and certain simulation settings can increase the memory
 usage significantly