Fix: Update content type for valid PDF file #75

	name: Django CI

	on:
	push:
	branches: ["main"]
	pull_request:
	branches: ["main"]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	steps:
	- uses: actions/checkout@v3
	- name: Build docker image and run tests
	run: \|
	cd backend
	docker compose build
	docker compose run tutorai python manage.py makemigrations
	docker compose run tutorai python manage.py migrate
	docker compose up -d
	docker compose run tutorai python manage.py test
	docker compose down

Provide feedback