Add documentation and source

Added documentation, source and extra files.

source/advanced/various/views.py

@@ -0,0 +1,21 @@
+from django.core.files.storage import DefaultStorage
+from django.http import HttpRequest, HttpResponse
+
+
+def view_file_download(request: HttpRequest) -> HttpResponse:
+    """
+    Serve a media file like a download.
+
+    Args:
+        request: HTTP request.
+
+    Returns:
+        Media file as an attachment to download.
+
+    """
+    storage = DefaultStorage()  # Objet capable de manipuler des fichiers média
+    with storage.open("django-upload.jpg", "rb") as file:  # relative to MEDIA_ROOT
+        response = HttpResponse(file, content_type="image/jpeg")
+        # Use list notation to set headers
+        response["Content-Disposition"] = "attachment; filename=django-upload.jpg"
+        return response