* Refactor `i18n` to `locale`
- Currently we're using the `i18n` variable naming for the `locale`
struct. This contains locale's specific information and cannot be used
for general i18n purpose, therefore refactoring it to `locale` makes
more sense.
- Ref: https://github.com/go-gitea/gitea/pull/20096#discussion_r906699200
* Update routers/install/install.go
]* fix aria-hidden and tabindex
* use {{template "base/disable_form_autofill"}} instead of {{DisableFormAutofill}}
Co-authored-by: zeripath <art27@cantab.net>
