style: implement new navigation

frontend/src/pages/cert-manager/PkiSubscriberDetailsByIDPage/PkiSubscriberDetailsByIDPage.tsx

@@ -1,6 +1,8 @@
 import { Helmet } from "react-helmet";
 import { useTranslation } from "react-i18next";
-import { useNavigate, useParams } from "@tanstack/react-router";
+import { faChevronLeft } from "@fortawesome/free-solid-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { Link, useNavigate, useParams } from "@tanstack/react-router";
 import { twMerge } from "tailwind-merge";
 
 import { createNotification } from "@app/components/notifications";
@@ -75,10 +77,20 @@ const Page = () => {
   };
 
   return (
-    <div className="container mx-auto flex flex-col justify-between bg-bunker-800 text-white">
+    <div className="mx-auto flex flex-col justify-between bg-bunker-800 text-white">
       {data && (
-        <div className="mx-auto mb-6 w-full max-w-7xl">
-          <PageHeader scope="project" title={data.name}>
+        <div className="mx-auto mb-6 w-full max-w-8xl">
+          <Link
+            to="/projects/cert-management/$projectId/subscribers"
+            params={{
+              projectId
+            }}
+            className="mb-4 flex items-center gap-x-2 text-sm text-mineshaft-400"
+          >
+            <FontAwesomeIcon icon={faChevronLeft} />
+            Subscribers
+          </Link>
+          <PageHeader scope="project" title={data.name} description="Manage PKI subscriber">
             <DropdownMenu>
               <DropdownMenuTrigger asChild className="rounded-lg">
                 <div className="hover:text-primary-400 data-[state=open]:text-primary-400">