/etc/maas/templates/pxe/ is in maas-rack-controller 2.0.0~beta3+bzr4941-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/etc/maas/templates/pxe/config.commissioning.arm64.template
/etc/maas/templates/pxe/config.commissioning.arm64.xgene-uboot-mustang.template
/etc/maas/templates/pxe/config.commissioning.armhf.template
/etc/maas/templates/pxe/config.commissioning.ppc64el.template
/etc/maas/templates/pxe/config.commissioning.template
/etc/maas/templates/pxe/config.enlist.template
/etc/maas/templates/pxe/config.install.arm64.template
/etc/maas/templates/pxe/config.install.arm64.xgene-uboot-mustang.template
/etc/maas/templates/pxe/config.install.armhf.template
/etc/maas/templates/pxe/config.install.ppc64el.template
/etc/maas/templates/pxe/config.install.template
/etc/maas/templates/pxe/config.local.amd64.template
/etc/maas/templates/pxe/config.local.i386.template
/etc/maas/templates/pxe/config.local.template
/etc/maas/templates/pxe/config.poweroff.template
/etc/maas/templates/pxe/config.xinstall.arm64.template
/etc/maas/templates/pxe/config.xinstall.arm64.xgene-uboot-mustang.template
/etc/maas/templates/pxe/config.xinstall.armhf.template
/etc/maas/templates/pxe/config.xinstall.ppc64el.template
/etc/maas/templates/pxe/config.xinstall.template