Add 'PHP-twig for atom' package to IDEs support
minor #1426 Add 'PHP-twig for atom' package to IDEs support (zoltanradics)

This PR was squashed before being merged into the 1.16-dev branch (closes #1426).

Discussion
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Add 'PHP-twig for atom' package to IDEs support

Since Atom.io editor is growing, i would add this package to the list for people who would like to edit Twig in Atom.

Commits
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c90d469 Add 'PHP-twig for atom' package to IDEs support