Support unmanaged secrets

packages/sshecret-admin/src/sshecret_admin/frontend/templates/secrets/partials/client_secret_details.html.j2

@@ -3,6 +3,8 @@
     {% include '/secrets/partials/client_list_inner.html.j2' %}
   </ul>
 </div>
+{% if secret.secret %}
 <div class="w-full my-2" id="secretclientaction">
   {% include '/secrets/partials/client_assign_button.html.j2' %}
+{% endif %}
 </div>

packages/sshecret-admin/src/sshecret_admin/frontend/templates/secrets/partials/group_detail.html.j2

@@ -1,7 +1,9 @@
 <div class="w-full">
   <div class="mb-4">
     <h3 class="text-xl font-semibold dark:text-white">Group {{name}}</h3>
-    <span class="text-sm text-gray-500 dark:text-gray-400">{{ description }}</span>
+    {% if description %}
+      <span class="text-sm text-gray-500 dark:text-gray-400">{{ description }}</span>
+    {% endif %}
   </div>
 
   <sl-details summary="Create secret">

packages/sshecret-admin/src/sshecret_admin/frontend/templates/secrets/partials/tree_detail.html.j2

@@ -31,6 +31,12 @@
 
 
   <h3 class="mb-4 text-xl font-semibold dark:text-white">{{secret.name}}</h3>
+  {% if secret.description %}
+    <span class="text-sm text-gray-500 dark:text-gray-400">{{ secret.description }}</span>
+  {% endif %}
+  {% if not secret.secret %}
+    <p class="text-sm text-gray-500 dark:text-gray-400 italic">This secret was created outside of sshecret-admin. It cannot be decrypted, and therefore fewer options are available here.</p>
+  {% endif %}
   <div class="htmx-indicator secret-spinner">
     <div role="status">
       <svg aria-hidden="true" class="inline w-6 h-6 text-gray-200 animate-spin dark:text-gray-600 fill-blue-600" viewBox="0 0 100 101" fill="none" xmlns="http://www.w3.org/2000/svg">
@@ -46,6 +52,7 @@
       {% include '/secrets/partials/client_secret_details.html.j2' %}
     </div>
   </sl-details>
+  {% if secret.secret %}
   <sl-details summary="Read/Update Secret">
     <div id="secretvalue">
     <div class="mb-6">
@@ -103,6 +110,7 @@
       </form>
     </sl-details>
   {% endif %}
+{% endif %}
   <sl-details summary="Events">
     <table class="min-w-full divide-y divide-gray-200 dark:divide-gray-600" id="last-audit-events">
       <thead class="bg-gray-50 dark:bg-gray-700">