Don't dupe content in gitignore and gitattributes
Don't dupe content in gitignore and gitattributes

Fixes #1
Fixes #2

makingspace/liftoff,fousa/liftoff,makingspace/liftoff,IntrepidPursuits/homebrew-liftoff,fhchina/liftoff,fousa/liftoff,IntrepidPursuits/homebrew-liftoff,IntrepidPursuits/homebrew-liftoff,makingspace/liftoff,fhchina/liftoff,fousa/liftoff,liftoffcli/liftoff,liftoffcli/liftoff,fhchina/liftoff,liftoffcli/liftoff