rebrand: ganti sisa teks 'GitHub' -> 'Gitea' (UI, komentar, dokumen)

views/admin/partials/sidebar.ejs

@@ -164,7 +164,7 @@ document.addEventListener('DOMContentLoaded', () => {
       </div>
       <div style="margin-top:14px;display:flex;flex-direction:column;gap:8px">
         <a href="https://gitea.oxpoe.qzz.io/oxpoe/open-isp/wiki" target="_blank" rel="noopener" class="btn btn-p" style="width:100%;display:flex;align-items:center;justify-content:center;gap:8px">
-          <i class="bi bi-github"></i> <%= t('admin.lock.get_code','Ambil Kode Aktivasi (Gratis)') %>
+          <i class="bi bi-git"></i> <%= t('admin.lock.get_code','Ambil Kode Aktivasi (Gratis)') %>
         </a>
         <a href="/admin/sidebar-settings" class="btn btn-g" style="width:100%;display:flex;align-items:center;justify-content:center;gap:8px" onclick="hideLockedMenuNotice()">
           <i class="bi bi-layout-sidebar-inset"></i> <%= t('admin.lock.open_settings','Buka Pengaturan Sidebar') %>