server: gather themes data: - the new LiberviaRootResource's `site_themes` attribute is a set of available themes for a site, it is set a template variable for pages. - if `browser_meta` are available for a theme, the metadata are merged with pages root `_browser` data - if python files are found in `browser_path`, they are added to be handled by brython task.

#!/usr/bin/env python3


from libervia.server.constants import Const as C
from sat.core.log import getLogger

log = getLogger(__name__)
"""ticket handling pages"""

name = "merge-requests_new"
access = C.PAGES_ACCESS_PUBLIC
template = "merge-request/create.html"