ignore Intellij Idea project files

[paulpolushkin]

No description provided.

[stleary]

What problem does this code solve?I
Developers who use Idea Intellij should be able to easily exclude IDE files from commits.

Risks
None

Changes to the API?
N/A

Will this require a new release?
No

Should the documentation be updated?
No

Does it break the unit tests?
No

Was any code refactored in this commit?
No code was changed

Review status
ACCEPTED Starting 3 days comment window.