How to add a file to a project from a third-party directory?

Question

phpstorm

the project is in directory1 the
desired file is in directory2
how to copy or create a symlink of the desired file in directory1
now found only such methods
1
call the context menu on directory1
select the show in files item
in nautilus, for example, directory1 opens
copy/create a symlink of the desired file
minus: out ide has to do
2
connect the entire directory2 via file - attach project
copy the desired file and paste it into directory1
minus: .idea is created in directory2
3
file - open file
select text/graphic file
after opening press ctrl+shift+s
in the to directory field, select directory1
minus: you cannot add, for example, an archive file in this way