libffi.so.8 が無いと怒られた /home/usernam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.8/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require': libffi.so.8: cannot open shared object file: No such file or directory - /home/akinov/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/ge…