Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/app/admin/applications/page.tsx

@@ -85,7 +85,9 @@ export default async function AdminApplications() {
                         <>{t("userNumber", { id: a.userId })}</>
                       )}
                     </h3>
-                    <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-[var(--color-primary)]/18 text-[var(--color-text)]">{t("rankLabel", { rank: a.rankId })}</span>
+                    <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-[var(--color-primary)]/18 text-[var(--color-text)]">
+                      {t("rankLabel", { rank: a.rankId })}
+                    </span>
                   </div>
                   <p className="text-xs text-gray-500 dark:text-gray-400 m-0 mb-2">
                     {formatDate(a.createdAt)}