Update index page in the documentation

Replaced the previous content of the index page in the documentation with an in-depth guide on building an API using Django and Django Rest Framework, which includes estimated durations, lectures, exercises and a link to presentation slides. The new content presents a structured and comprehensive learning journey for the readers.

docs/index.md

@@ -1,17 +1,52 @@
-# Welcome to MkDocs
+# 🌐 Building Your First API with Django and Django Rest Framework
 
-For full documentation visit [mkdocs.org](https://www.mkdocs.org).
+## Summary
 
-## Commands
+- **Total Duration:** 3 hours 30 minutes
+- **Lecture:** 1 hour (approximately 30%)
+- **Exercises:** 2 hours 30 minutes (approximately 70%)
 
-* `mkdocs new [dir-name]` - Create a new project.
-* `mkdocs serve` - Start the live-reloading docs server.
-* `mkdocs build` - Build the documentation site.
-* `mkdocs -h` - Print help message and exit.
 
-## Project layout
+[Presentation slides](https://docs.google.com/presentation/d/1Ajv9MYQQ011_Y4r1W4I6Y-6XP_faFF0317Zkn2XupMw/edit?usp=sharing) 📊
 
-    mkdocs.yml    # The configuration file.
-    docs/
-        index.md  # The documentation homepage.
-        ...       # Other markdown pages, images and other files.
+## Introduction and Overview
+
+- 🎬 Lecture: Introduction to Django and Django Rest Framework, and overview of API development.
+- 💡 Purpose: Setting the stage and objectives for the tutorial.
+
+## Django Models
+
+- 🎬 Lecture : Fundamentals of Django models.
+- 💻 Exercise : Hands-on creation and manipulation of models.
+- 💡 Purpose: Understanding data handling in Django.
+
+## URL Mapping and Views
+
+- 🎬 Lecture : Explanation of URL configurations and Views/ViewSets in Django.
+- 💻 Exercise : Students implement URL mapping and views for a sample API.
+- 💡 Purpose: Practical understanding of Django's routing and controller mechanisms.
+
+## Serializers
+
+- 🎬 Lecture : The role and implementation of serializers.
+- 💻 Exercise : Students practice converting data formats using serializers.
+- 💡 Purpose: Grasping data format conversions essential in API communication.
+
+## Building an API - Part I
+
+- 💻 Exercise: Students start building a basic API, integrating learned concepts.
+- 💡 Purpose: Applying accumulated knowledge in a practical project.
+
+## Lunch/Break
+
+- ⏳ Time for rest and informal discussions.
+
+## Building an API - Part II
+
+- 💻 Exercise: Continuation of the API project with instructor support.
+- 💡 Purpose: Completing the API project, reinforcing learning through practice.
+
+## Q&A and Wrap-Up
+
+- 🎬 Lecture: Recap of the day's lessons, addressing questions.
+- 💡 Purpose: Ensuring clarity and concluding the session.