Revert "gitignore"

This reverts commit 03d379830acaa50b271122d3f2ba0131f94c2228.
Revert "Revert "gitignore""

This reverts commit 9c6744a9557e322d76700ad61197e9ab2e6f0a10.
Revert "Revert "Revert "gitignore"""

This reverts commit eacde8bbb8d2eb85d69d03698b3ebec4479b05b5.