Most of the locale strings in the default locale are capitalized. This
changeset makes `Text` and `PageHeader` locale strings consistent with
others. Also, "Copied" implies successfully so changing "copy success"
to "Copied" should be sufficient IMHO.
* ConfigProvider support locale
* update docs
* update category
* clean up
* moving locale
* update check script
* update related code
* add test case
* demo link
* update doc
* hide one rule of md with eslint
* update error link