feat(settings): Make databases configurable

src/app/settings.py

@@ -98,12 +98,15 @@ ASGI_APPLICATION = "app.asgi.application"
 # Database configuration
 #   -> https://docs.djangoproject.com/en/4.2/ref/settings/#databases
 
-DATABASES = {
+DATABASES = credentials.get_json(
+    "DATABASES",
+    {
         "default": {
             "ENGINE": "django.db.backends.sqlite3",
             "NAME": BASE_DIR / "db.sqlite3",
         }
-}
+    },
+)
 
 
 ###