Doc: Create new tutorial

Author: GitauHarrison

02_django/02_applications_and_routes.md

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+# Applications in Django
+
+The thinking behind Django is that we have a website project, which we have already created in [the previous tutorial](01_getting_started.md), and have multiple apps each doing its own thing. For example, we can have a blog section of the website, which is an app on its own, then we can have a store section which is an app as well. So, a single project can contain multiple apps.
+
+If you would like to skip to a particular section in the entire Django tutorial, you can do so by clicking on any of the links below:
+
+- [Django Overview](00_overview.md)
+- [Getting Started With Django](01_getting_started.md)
+- [Applications and routes](02_applications_and_routes.md) (this article)
+
+
+### Table of Contents
+
+In this tutorial, we are going to add a blog app within our project.
+
+- [Create an app](#create-an-app)
+
+
+
+
+## Create An App
+
+Ensure you are currently at the top-level directory of our project, where `manage.py` is located. From the terminal, run the following command:
+
+```python
+(venv)$ python3 manage.py startapp blog
+```
+