feat: add captcha (#2613)

* feat: captcha

* add borderRadius

* code perf

packages/web/i18n/zh/common.json

@@ -647,8 +647,7 @@
             "success": "开始同步"
           }
         },
-        "training": {
-        }
+        "training": {}
       },
       "data": {
         "Auxiliary Data": "辅助数据",
@@ -1248,6 +1247,7 @@
     },
     "user": {
       "Avatar": "头像",
+      "captcha_placeholder": "请输入验证码",
       "Go laf env": "点击前往 {{env}} 获取 PAT 凭证。",
       "Laf account course": "查看绑定 laf 账号教程。",
       "Laf account intro": "绑定你的 laf 账号后，你将可以在工作流中使用 laf 模块，实现在线编写代码。",