Add and document database cache

src/servala/settings.py

@@ -132,6 +132,13 @@ STATIC_URL = "static/"  # CSS, JavaScript, etc.
 STATIC_ROOT = BASE_DIR / "static.dist"
 MEDIA_URL = "media/"  # User uploads, e.g. images
 
+CACHES = {
+    "default": {
+        "BACKEND": "django.core.cache.backends.db.DatabaseCache",
+        "LOCATION": "servala_cache",
+    }
+}
+
 # Additional locations of static files
 STATICFILES_FINDERS = (
     "django.contrib.staticfiles.finders.FileSystemFinder",