Create a static directory, (not statics, i guess)
then, in the html, just use,
{% load static %}
<img src="{% static 'my_app/example.jpg' %}" alt="My image">or, similar
{% load static %}
<a href="{% static 'blog/blog.txt' %}">Click here!</a>more @https://docs.djangoproject.com/en/4.1/howto/static-files/