Revert "Revert "Push ramdisk""

This reverts commit f7be4168bf919336299133d6e096369f491a44a2.
Revert "Revert "Add build script""

This reverts commit d063b9a952c79d2609962142d156075cfe60aa4f.
Revert "Revert "modify build script""

This reverts commit 9891b3ee1db6a4b43471da73f12576f4496a835d.
Revert "Revert "Add zip template""

This reverts commit a4f8ba0134017a8f702dfbfac655ae85d62b2b9d.
Revert "Revert "update updater script""

This reverts commit 3b8ccebacf8ccc5d0d63869d99584175715d0b03.