Add note about new BSOD and removal os sysvinit compatibility

[mckaygerhard]

Thanks to popteting shit we now runs windos event linux 😂😂 It's not an off-timed April Fool's prank or anything, there is finally a systemd-bsod service for "Blue Screen of Death" full-screen error messages on Linux...

https://github.com/systemd/systemd/releases/tag/v255-rc1
https://www.phoronix.com/news/systemd-255-rc1