Update README.md

Updated the embeded image URL's

README.md

@@ -28,7 +28,7 @@ This CSV DEMO system is intended for training/demo purposes only, or can be used
 
 - The 'Execute on-premises' switch on the 'System' tab is toggled.
 
-![image](./assets/hid.png)
+![image](https://github.com/Tools4everBV/HelloID-Conn-Prov-Source-CSV-DEMO/raw/main/assets/hid.png)
 
 ## Mappings
 
@@ -48,7 +48,7 @@ A basic person and contract mapping is provided. Make sure to further customize
 
 3. Fill in the required fields on the connectors 'Configuration' tab.
 
-![image](./assets/config.png)
+![image](https://github.com/Tools4everBV/HelloID-Conn-Prov-Source-CSV-DEMO/raw/main/assets/config.png)
 
 # HelloID Docs
 The official HelloID documentation can be found at: https://docs.helloid.com/