Add CSP (Content Security Policy) to Privacy Guides

[anon53074300]

Hey, I was looking into Hardenize and found out that the PrivacyGuides website doesn’t implement CSP, which helps to prevent XSS attacks and others. Here’s an article talking about it and saying how to implement it.

[ph00lt0 (Stella Polaris)]

Also one i think only you can address @jonah