🎨 Update C4 style for level 1

source/documentation/diagrams/architecture-diagrams.html.md.erb

@@ -1,7 +1,7 @@
 ---
 owner_slack: "#analytical-platform-notifications"
 title: Analytical Platform Architectural Diagrams
-last_reviewed_on: 2024-09-11
+last_reviewed_on: 2024-09-20
 review_in: 6 months
 ---
 
@@ -17,6 +17,8 @@ In the [C4 model](https://c4model.com/), the four C's represent [context](https:
 
 This is the highest level of abstraction and provides an overview of the entire system. It shows the system under consideration and its external dependencies, such as users, external systems, and APIs. The Intended audience is everybody, both technical and non-technical people, inside and outside of the software development team.
 
+#### Level 1 Diagram
+
 ![Level 1 Diagram](c4-model-level1.excalidraw.png)
 
 When thinking about the System Context we can ask ourselves the following questions.