Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/actions/admin-ip.ts

@@ -5,11 +5,15 @@ import { requireStaff } from "@/lib/admin/guard";
 import { prisma } from "@/lib/prisma";
 
 function parseIp(formData: FormData): string {
-  return String(formData.get("ipAddress") ?? "").trim().slice(0, 255);
+  return String(formData.get("ipAddress") ?? "")
+    .trim()
+    .slice(0, 255);
 }
 
 function parseAsn(formData: FormData): string | null {
-  const asn = String(formData.get("asn") ?? "").trim().slice(0, 255);
+  const asn = String(formData.get("asn") ?? "")
+    .trim()
+    .slice(0, 255);
   return asn || null;
 }