refactor(base.py): use relative DB path

kursy/settings/base.py

@@ -161,8 +161,7 @@ OAUTH2_PROVIDER = {
 DATABASES = {
     "default": {
         "ENGINE": "django.db.backends.sqlite3",
-        # "NAME": BASE_DIR / "db" / "db.sqlite3",
+        "NAME": BASE_DIR / "db" / "db.sqlite3",
-        "NAME": "/app/db/db.sqlite3",
     }
 }