Update boa-webserver.yaml

http/exposed-panels/boa-webserver.yaml

@@ -5,6 +5,8 @@ info:
   author: johnk3r
   severity: info
   description: Boa Web Server panel was detected.
+  reference:
+    - https://www.microsoft.com/en-us/security/blog/2022/11/22/vulnerable-sdk-components-lead-to-supply-chain-risks-in-iot-and-ot-environments/
   classification:
     cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
     cwe-id: CWE-200