* docs: support parameter suffix `*`
`*` denotes a zero or more parameter matches, so the parameter including `*` is optional. (https://github.com/pillarjs/path-to-regexp#zero-or-more)
* docs: mention the parameter suffix `*`
* docs: support parameter suffix `+`
* docs: add document of parameter suffixs
* docs: fix having / at the end of parameter
* docs: add missing changes in en docs
* docs: typo
Co-authored-by: TonyRL <TonyRL@users.noreply.github.com>