Fix Django static files configuration for CI/CD pipeline

- Add STATIC_ROOT setting for collectstatic command
- Configure STATICFILES_DIRS for proper static file management
- Create app/static directory structure with documentation
- Resolve CI ImproperlyConfigured error for staticfiles app
- Ensure static files are properly collected during deployment

app/core/settings.py

@@ -75,6 +75,13 @@ USE_I18N = True
 USE_TZ = True
 
 STATIC_URL = 'static/'
+STATIC_ROOT = BASE_DIR / 'staticfiles'
+
+# Additional locations of static files
+STATICFILES_DIRS = [
+    BASE_DIR / "static",
+]
+
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
 MEDIA_URL = '/media/'
 MEDIA_ROOT = BASE_DIR / 'media'