[docs] [issue29688] Add support for Path.absolute()

Change by 4-launchpad-kalvdans-no-ip-org <launchpad@kalvdans.no-ip.org>: ---------- nosy: +4-launchpad-kalvdans-no-ip-org _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue29688> _______________________________________