Revert "Delete PodMangler.jsproj"

This reverts commit 5baa960d51838612ce3f8b1f43f044fc9b8248ac.
Revert "Revert "Delete package.appxmanifest""

This reverts commit 1a84e27e1ecc57ec8811dfa98aae22a8db0ad075.
Revert "Delete PodMangler_TemporaryKey.pfx"

This reverts commit 9568d0c0a75eeff931999e1dde2c9b9f751b11fa.
Revert "Delete package.appxmanifest"

This reverts commit 04d44d675f8d50d860cbf2e8e3a2606de20f4942.