docs(github pages): moved threat model to GitHub pages site. Updated README to direct users there (#33)

Threat Model documentation was removed from the root of the repo and moved into the GitHub pages
static site for improved readability. The README documentation has been updated to direct users to
this page.

re #32

Author: flamingquaks

README.md

@@ -10,7 +10,7 @@ The Generative AI Newsletter Application sample is a ready-to-use serverless sol
 
 The application offers users the ability to influence the generative AI prompts to customize how content is summarized such as the tone, intended audience, and more. Users can stylize the HTML newsletter, define how frequently newsletters are created and share the newsletters with others. 
 
-![Generative AI Newsletter Application Welcome Page](./documentation-assets/Generative-AI-Newsletter-App-Landing-Image.png)
+![Generative AI Newsletter Application Welcome Page](./pages/images/Generative-AI-Newsletter-App-Landing-Image.png)
 
 
 ## Author
@@ -22,7 +22,7 @@ The application offers users the ability to influence the generative AI prompts
 
 ## Threat Model
 
-Review the threat model developed for the solution [here](THREAT_MODEL.md). Additionally, you can download the [Threat Model JSON](documentation-assets/GenAINewsletter_ThreatComposer.json) and view the visualized threat model by importing the JSON into [Threat Composer](https://awslabs.github.io/threat-composer/workspaces/default/dashboard).
+The threat model for this solution can be found [here](https://aws-samples.github.io/generative-ai-newsletter-app/threat-model).
 
 ## License
 

USER_GUIDE.md

@@ -35,6 +35,9 @@ This serverless solution leverages a variety of AWS services, including Lambda,
 
 ## Get Started
 
-To begin using the AWS Serverless Feed Summarizer and Newsletter Solution, simply log in to the application and follow the [user guide](user-guide) to set up your data feeds, create newsletters, and manage your subscribers.
+To begin using the AWS Serverless Feed Summarizer and Newsletter Solution, simply log in to the application and follow the [user guide](./user-guide) to set up your data feeds, create newsletters, and manage your subscribers.
 
-If you have any questions or need further assistance, please don't hesitate to reach out to our support team.
+If you have any questions or need further assistance, please don't hesitate to reach out to our support team.
+
+## Threat Model
+To learn more about the security and threat modeling of the solution, visit the [threat model](./threat-model) page.