.gitignore ignore compile_commands.json
requested to merge nmariusp/kosmindoormap:work/nmariusp/gitignore_ignore_compile_commands_json into master
The file compile_commands.json is created automatically by kdesrc-build
and ECM.
Sync .gitignore with frameworks/kconfig/.gitignore.
https://community.kde.org/Get_Involved/development/Easy#Just_running_kdesrc-build_should_not_create_%22Unstaged_Changes%22_in_the_local_clone_of_a_KDE_git_repo