Revert "gitignore build asset"

This reverts commit 1faa92410e2483cd028c12635ad88c991eb987a7.
Revert "Revert "gitignore build asset""

This reverts commit 9037487595d8d006540ffff5923c4c60bc936a12.
Merge commit 'cff4f08ee6a8a917fdbb539a126f444ff0f60dd9'