enhance: Add basic infographic to prereq

Author: LaurenceJJones

crowdsec-docs/unversioned/getting_started/prerequisites.md renamed to crowdsec-docs/unversioned/getting_started/prerequisites.mdx

@@ -4,6 +4,8 @@ title: Prerequisites
 sidebar_position: 1
 ---
 
+import useBaseUrl from "@docusaurus/useBaseUrl"
+
 # Prerequisites
 
 We recommend that you understand the following prerequisites before installing CrowdSec:
@@ -45,4 +47,12 @@ CrowdSec Security Engine uses the following default ports these can be altered a
 * 6060/tcp: Prometheus metrics port
 * 8080/tcp: API port
 
+<div style={{ display: "flex" }}>
+    <div style={{ textAlign: "center", flex: "1" }}>
+        <img src={useBaseUrl("/img/simplified_SE_underthehood.svg")}></img>
+    </div>
+</div>
+
+
+