Revert "gitignore"

This reverts commit 5d692a442890478fd6fb41c761d392a2e7e3bd8a.
Revert "Revert "gitignore""

This reverts commit 20bab6ee6ebf7176deaf914ac25830f7e49e553b.
Revert "Commit gitignore"

This reverts commit ffb01752415feb6c73890de8da79985c2b551e84.