chore: rename application title from JDB-NET SSH to SSH across UI components

frontend/src/App.vue

@@ -697,7 +697,7 @@ async function deleteIdentityRow(id: number) {
           </svg>
         </button>
         <div class="flex items-center gap-2 truncate">
-          <span class="truncate text-sm font-semibold text-white">JDB-NET SSH</span>
+          <span class="truncate text-sm font-semibold text-white">SSH</span>
           <a
             href="https://git.jdbnet.co.uk/jamie/ssh"
             target="_blank"

frontend/src/components/LoginForm.vue

@@ -31,7 +31,7 @@ async function submit() {
       class="w-full max-w-md rounded-xl border border-slate-800 bg-surface-raised p-8 shadow-xl"
     >
       <h1 class="font-sans text-2xl font-semibold tracking-tight text-white">
-        JDB-NET SSH
+        SSH
       </h1>
       <p class="mt-1 text-sm text-slate-400">
         Sign in to manage connections and open terminals.