feat: add dinit support

assets/services/dinit

@@ -0,0 +1,8 @@
+type            = process
+command         = /sbin/agetty tty7 linux-c -n -l /bin/lidm -o 7
+restart         = true
+depends-on      = login.target
+termsignal      = HUP
+smooth-recovery = true
+inittab-id      = 7
+inittab-line    = tty7

assets/services/systemd.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=TUI display manager
+After=systemd-user-sessions.service plymouth-quit-wait.service
+After=getty@tty3.service
+Conflicts=getty@tty3.service
+
+[Service]
+Type=idle
+ExecStart=/usr/bin/lidm
+StandardError=journal
+StandardInput=tty
+TTYPath=/dev/tty3
+TTYReset=yes
+TTYVHangup=yes
+
+[Install]
+Alias=display-manager.service