Add: Updated Explaination for challenge 52

src/main/resources/explanations/challenge52.adoc

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 === Exposed Buildx Secrets Challenge
 
-Acme Inc., a rising star in the SaaS industry, prides itself on delivering cutting-edge AI analytics to its global clientele. However, amidst their rapid deployment cycles and growing customer base, a critical security oversight has come to light.
+Acme Inc., a fast-growing SaaS company, is expanding its containerized deployments using Docker Buildx to streamline multi-platform builds. However, a serious security misconfiguration has occurred during the build process.
 
 During their Docker Buildx process, a sensitive secret, meant to remain temporary and secure during the build phase, was accidentally embedded into the container's filesystem due to a misconfiguration. This secret, now accessible within the running container, poses a significant security risk if exploited.