Move inittab to the support directorry as the sysvinit package normally owns it, not OpenRC.

support/sysvinit/README

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+Here's a sample inittab for use with sysvinit for Linux based systems.
+We don't install it by default as sysvinit packages normally own this file.

support/sysvinit/inittab

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+# /etc/inittab:  This file describes how the INIT process should set up
+#                the system in a certain run-level.
+
+# Default runlevel.
+id:3:initdefault:
+
+# System initialization, mount local filesystems, etc.
+si::sysinit:/sbin/rc sysinit
+
+# Further system initialization, brings up the boot runlevel.
+rc::bootwait:/sbin/rc boot
+
+l0:0:wait:/sbin/rc shutdown 
+l1:S1:wait:/sbin/rc single
+l2:2:wait:/sbin/rc nonetwork
+l3:3:wait:/sbin/rc default
+l4:4:wait:/sbin/rc default
+l5:5:wait:/sbin/rc default
+l6:6:wait:/sbin/rc reboot
+
+# TERMINALS
+c1:12345:respawn:/sbin/agetty 38400 tty1 linux
+c2:2345:respawn:/sbin/agetty 38400 tty2 linux
+c3:2345:respawn:/sbin/agetty 38400 tty3 linux
+c4:2345:respawn:/sbin/agetty 38400 tty4 linux
+c5:2345:respawn:/sbin/agetty 38400 tty5 linux
+c6:2345:respawn:/sbin/agetty 38400 tty6 linux
+
+# SERIAL CONSOLES
+#s0:12345:respawn:/sbin/agetty 9600 ttyS0 vt100
+#s1:12345:respawn:/sbin/agetty 9600 ttyS1 vt100
+
+# What to do at the "Three Finger Salute".
+ca:12345:ctrlaltdel:/sbin/shutdown -r now