openrc: add missing directory 'boot'

diff --git a/dot-config/rc/runlevels/boot/dbus b/dot-config/rc/runlevels/boot/dbus
new file mode 120000 (symlink)
index 0000000..779b9fb
--- /dev/null
+++ b/dot-config/rc/runlevels/boot/dbus
@@ -0,0 +1 @@
+/etc/user/init.d/dbus
\ No newline at end of file

diff --git a/dot-config/rc/runlevels/default/dbus b/dot-config/rc/runlevels/default/dbus
deleted file mode 120000 (symlink)
index 779b9fb..0000000
--- a/dot-config/rc/runlevels/default/dbus
+++ /dev/null
@@ -1 +0,0 @@
-/etc/user/init.d/dbus
\ No newline at end of file