feat: survival guide (#70)

Author: FilipeR13

public/docs/survival-guide.pdf

@@ -6,7 +6,7 @@ import type { NavItem } from "~/types";
 const { sticky } = Astro.props;
 
 const navItems: Array<NavItem> = [
-  // { title: "Survival Guide", url: "" },
+  { title: "Survival Guide", url: "/docs/survival-guide.pdf" },
   { title: "Regulation", url: "/docs/RegulamenteFinalBugsByte25.pdf" },
   { title: "FAQs", url: "/faqs" },
   { title: "Previous edition", url: "https://2024.bugsbyte.org/" },