Add badges

Author: jason-fox

README.md

@@ -30,8 +30,8 @@ git checkout NGSI-v2
 ./services start
 ```
 
-| [![NGSI LD](https://img.shields.io/badge/NGSI-LD-d6604d.svg)](https://www.etsi.org/deliver/etsi_gs/CIM/001_099/009/01.08.01_60/gs_cim009v010801p.pdf) | :books: [Documentation](https://github.com/FIWARE/tutorials.Relationships-Linked-Data/tree/NGSI-v2) | <img src="https://cdn.jsdelivr.net/npm/simple-icons@v3/icons/postman.svg" height="15" width="15"> [Postman Collection](https://fiware.github.io/tutorials.Relationships-Linked-Data/) |
-| --- | --- | --- |
+| [![NGSI LD](https://img.shields.io/badge/NGSI-LD-d6604d.svg)](https://www.etsi.org/deliver/etsi_gs/CIM/001_099/009/01.08.01_60/gs_cim009v010801p.pdf) | :books: [Documentation](https://github.com/FIWARE/tutorials.Relationships-Linked-Data/tree/NGSI-v2) | <img src="https://cdn.jsdelivr.net/npm/simple-icons@v3/icons/postman.svg" height="15" width="15"> [Postman Collection](https://fiware.github.io/tutorials.Relationships-Linked-Data/) |  ![](https://img.shields.io/github/last-commit/fiware/tutorials.Relationships-Linked-Data/NGSI-v2)
+| --- | --- | --- | ---
 
 ---