server: fix inverse URL redirection for root path + allow multiple inverse redirections: - inverse redirection is now working for root path - a list can now be used in `url_redirections_dict`: the first item only will be used for redirection, but all items will be used for inverse redirection. e.g.: if in `url_redirections_dict` we have `"/": ["/u/some_user/blog", "/blog/view/some_user_jid@example.org"]`, root will redirect to "/u/some_user/blog", but both "/u/some_user/blog" and "/blog/view/some_user_jid@example.org" will have an inverse redirection to the root path fix 395

#!/usr/bin/env python3


name = "user_blog"


def parse_url(self, request):
    # in this subpage, we want path args and query args
    # (i.e. what's remaining in URL: filters, id, etc.)
    # to be used by blog's url parser, so we don't skip parse_url
    data = self.getRData(request)
    service = data["service"]
    self.pageRedirect(
        "blog_view", request, skip_parse_url=False, path_args=[service.full(), "@"]
    )