feat: improve code login demo (#5154)

* feat: add some method in formApi

* fix: VbenPinInput style with small screen

* chore: improve code login demo

playground/src/locales/langs/en-US/page.json

@@ -4,7 +4,9 @@
     "register": "Register",
     "codeLogin": "Code Login",
     "qrcodeLogin": "Qr Code Login",
-    "forgetPassword": "Forget Password"
+    "forgetPassword": "Forget Password",
+    "sendingCode": "SMS Code is sending...",
+    "codeSentTo": "Code has been sent to {0}"
   },
   "dashboard": {
     "title": "Dashboard",