adding .idea/ directory to gitignore

3 jobs for 346-missing-idea-directory-in-gitignore in 5 minutes and 33 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #9990
test:php

00:00:17

 
  Build
passed #9991
build

00:01:45

 
  Layout
passed #9992
layout

00:03:30