[Improve]: header bar add Qrcode image & add language header

[wangsizhu0504]

What changes were proposed in this pull request

Issue Number: close #xxx

Brief change log

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

(or)

This change is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

Does this pull request potentially affect one of the following parts

• Dependencies (does it add or upgrade a dependency): (yes / no)

• add language header to request ([Feature] Implement Internationalization (i18n) for Backend Custom Error Messages #3520)

[wangsizhu0504]

cc @wolfboys ,I added the top QR code icon display and added the language header to the request header to pass the user's choice of i18n to the backend,
Related Issues #3520

[VampireAchao]

cc @wolfboys ,I added the top QR code icon display and added the language header to the request header to pass the user's choice of i18n to the backend,cc，我添加了顶部二维码图标显示，并在请求头中添加了语言头，将用户选择的 i18n 传递给后端， Related Issues #3520 相关问题 #3520

Good Job!