feat(novasample): updated readme, architecture diagram, fixed trivy vunlerabilities

Author: dinsajwa

samples/amazon-nova-samples/README.md

@@ -4,7 +4,7 @@ A real-time speech-to-speech communication platform powered by Amazon Bedrock's
 
 ## Architecture Overview
 
-![Architecture Diagram](images/architecture.png)
+![Architecture Diagram](docs/images/architecture.png)
 
 The solution consists of three main components:
 

samples/amazon-nova-samples/frontend/README.md

@@ -4,7 +4,7 @@ The frontend application for the Nova Sonic Solution, built with React, TypeScri
 
 ## Application Interface
 
-![Speech to Speech Interface](../images/speechToSpeech_sample.png)
+![Speech to Speech Interface](../docs/images/speechToSpeech_sample.png)
 
 ## Project Structure