added requirements.txt in workflow

Author: DaiseyD

.github/workflows/main_backendbluenps.yml

@@ -27,11 +27,13 @@ jobs:
           python-version: '3.12'
 
       - name: Create and start virtual environment
-        working-directory: ./bluenpsbackend
         run: |
           python -m venv venv
           source venv/bin/activate
 
+      - name: install requirements
+        run: pip install -r requirements.txt
+
       # I added this and I hope its good
       - name: Collect static
         run: python manage.py collectstatic