docs: added images to wallet ui (architecture etc.)

docs/developer/02. Identity/04. Wallet UI/01. Wallet UI.md

@@ -5,13 +5,42 @@ The wallet ui connects the company wallet (technical component as managed servic
 
 Inside the wallet UI the owned credentials, their expiry as well as the authority are displayed.
 
+<br>
+
 ### Authentication
 
 The authentication is a direct connection to the backend service of the wallet (as per release 24.03.).
 The user jwt token is getting validated and used to authorize.
 With the implementation of 24.05. a change is planned.
 
 <br>
+
+### Architecture View
+
+<img width="831" alt="image" src="https://github.com/catenax-ng/tx-portal-assets/assets/94133633/82cdcd45-1520-4de0-a7f7-6114cb93b647">
+
+
+<br>
+
+### Implementation Details
+
+#### Design Example
+
+<br>
+
+<img width="540" alt="image" src="https://github.com/catenax-ng/tx-portal-assets/assets/94133633/357542f4-7e64-4747-ac5c-b15054046590">
+
+<br>
+
+
+#### API Connection
+
+Calling the configured wallet solution (as per the env. file config) endpoint 
+
+```
+GET /api/credentials
+```
+
 <br>
 
 ## NOTICE