Managing all linters by pre-commit hooks

This will make it easier to manage all the code quality and formatting (linting) tools.

.github/workflows/ci.yml

@@ -18,12 +18,8 @@ jobs:
           python-version: 3.8
       - name: Install dependencies
         run: python -m pip install flake8 isort black . djangorestframework
-      - name: Check for flake8 issues
-        run: flake8 .
-      - name: Check code formatting with Black
-        run: black . --check
-      - name: Check import ordering with isort
-        run: isort . --check --diff
+      - name: Install and Run Pre-commit 
+        uses: pre-commit/[email protected]
       - name: Check for missing migrations
         run: python manage.py makemigrations --check --dry-run
         env: