Initial standalone crypto_okx with one-click deploy.

Add deploy/manage.sh bootstrap for git.bz121.com/dekun/crypto_okx and point docs at this repo.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/instance/templates/password_settings_panel.html

@@ -0,0 +1,13 @@
+{# 系统设置 · 账户密码(外层 card 由 settings_panel 提供) #}
+<h2>账户密码修改</h2>
+<p class="settings-subcard-desc">修改网页登录账号密码,写入 <code>.env</code> 后需重启实例生效.</p>
+<div class="settings-password-form password-settings" data-password-settings="1">
+    <label>当前密码 <input type="password" id="pwd-old" autocomplete="current-password"></label>
+    <label>新用户名(可选) <input type="text" id="pwd-new-username" autocomplete="username"></label>
+    <label>新密码 <input type="password" id="pwd-new" autocomplete="new-password"></label>
+    <label>确认新密码 <input type="password" id="pwd-confirm" autocomplete="new-password"></label>
+</div>
+<div class="settings-actions-row">
+    <button type="button" class="btn-primary btn-sm" id="pwd-save-btn">保存密码</button>
+    <span class="settings-status-line" id="pwd-save-status"></span>
+</div>