update architecture diagram and add link to full diagram

Signed-off-by: Sajid Alam <[email protected]>

ARCHITECTURE.md

@@ -6,6 +6,7 @@ For further information, see also:
 
 - [Kedro-Viz contributing documentation](CONTRIBUTING.md), which covers how to start development on the project
 - [Kedro-Viz style guide](STYLE_GUIDE.md), which walks through our standards and recommended best practices for our codebase
+- [Kedro-Viz Architecture Diagram](https://miro.com/app/board/uXjVKhNg1RE=/?moveToWidget=3458764606468376036&cot=10), to see a high level overview of both back-end and front-end and how they are connected.
 
 ## High-level Overview
 
@@ -62,7 +63,7 @@ The `localStorage` state is updated automatically on every Redux store update, v
 
 ## Data ingestion
 
-![Kedro-Viz data flow diagram](/.github/img/app-architecture-data-flow.png)
+![Kedro-Viz data flow diagram](/.github/img/frontend-architecture.png)
 
 Kedro-Viz currently utilizes two different methods of data ingestion: the Redux setup for the pipeline and flowchart-view related components, and GraphQL via Apollo Client for the experiment tracking components.