Populate-database.md

+[[_TOC_]]
+
 ## 📝 Populate test DB
 
 You can create a test database using the API directly and some test files available on the repository.
@@ -19,6 +21,8 @@ From `backend/app` directory:
 poetry run create_test_db
 ```
 
+## 📝 Populate DB with real data
+
 ## 📂 Empty DB
 
 ```bash