Manpages of src:ui-auto in Debian buster-backports

• ui-auto-env(1)
• ui-auto-release-multi(1)
• ui-auto-release(1)
• ui-auto-shell(1)
• ui-auto-sp2ui(1)
• ui-auto-ubs(1)
• ui-auto-update(1)
• ui-auto-uvc(1)
• ui-auto-version(1)