feat: update "Access the Book" link to "Access the MycoFi Book"

Change text and link to book.mycofi.earth in applications component.

#VERCEL_SKIP

Co-authored-by: Jeff Emmett <46964190+Jeff-Emmett@users.noreply.github.com>

components/applications.tsx

@@ -115,9 +115,12 @@ export function Applications() {
               <Button
                 size="lg"
                 className="gap-2 border-2 border-accent bg-accent/20 text-accent glow-border hover:bg-accent/30"
+                asChild
               >
-                {"Access the Book"}
+                <a href="https://book.mycofi.earth" target="_blank" rel="noopener noreferrer">
+                  {"Access the MycoFi Book"}
                   <ArrowRight className="w-4 h-4" />
+                </a>
               </Button>
               <Button
                 size="lg"