chore: sync updates.xml 05.18.00 from main [skip ci]

Fomantic UI's vertical menu centers text by default. Added
text-align: left to .flex-container-nav menu items so all
admin sidebar entries align consistently.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

updates.xml

@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <!-- Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
  SPDX-License-Identifier: GPL-3.0-or-later
- VERSION: 05.17.00
+ VERSION: 05.18.00
  -->
 
 <updates>
@@ -87,13 +87,13 @@
     <element>mokogitea</element>
     <type>application</type>
     <client>site</client>
-    <version>05.17.00</version>
+    <version>05.18.00</version>
     <creationDate>2026-06-03</creationDate>
     <infourl title='MokoGitea'>https://git.mokoconsulting.tech/MokoConsulting/MokoGitea/releases/tag/stable</infourl>
     <downloads>
-      <downloadurl type='full' format='zip'>https://git.mokoconsulting.tech/MokoConsulting/MokoGitea/releases/download/stable/mokogitea-05.17.00.zip</downloadurl>
+      <downloadurl type='full' format='zip'>https://git.mokoconsulting.tech/MokoConsulting/MokoGitea/releases/download/stable/mokogitea-05.18.00.zip</downloadurl>
     </downloads>
-    <sha256>7f50295f58e207f1c2d2be92a172f4d077a4115ad1337c663e6f33e065e0cff9</sha256>
+    <sha256>05e430160d16cbf5d378ea5a588e4c324c11e86fce39e8bef49bc12f5b530129</sha256>
     <tags><tag>stable</tag></tags>
     <changelogurl>https://git.mokoconsulting.tech/MokoConsulting/MokoGitea/raw/branch/main/CHANGELOG.md</changelogurl>
     <maintainer>Moko Consulting</maintainer>

web_src/css/modules/flexcontainer.css

@@ -11,6 +11,10 @@
   width: 240px;
 }
 
+.flex-container-nav .ui.menu .item {
+  text-align: left;
+}
+
 /* wide sidebar on the right, used in frontpage */
 .flex-container-sidebar {
   width: 35%;

web_src/css/shared/settings.css

@@ -9,8 +9,8 @@ details.toggleable-item .menu {
 
 details.toggleable-item summary {
   display: flex;
+  justify-content: space-between;
   align-items: center;
-  gap: 0.5em;
   padding: 0.92857143em 1.14285714em;
 }
 
@@ -20,7 +20,6 @@ details.toggleable-item summary::-webkit-details-marker /* Safari */ {
 }
 
 details.toggleable-item summary::after {
-  margin-left: auto;
   transition: transform 0.25s ease;
   content: "";
   width: 14px;
@@ -36,8 +35,3 @@ details.toggleable-item summary::after {
 details.toggleable-item[open] summary::after {
   transform: rotate(90deg);
 }
-
-.flex-container-nav .ui.menu .item {
-  text-align: left !important;
-  justify-content: flex-start !important;
-}