chore(git): add ide's to gitignore

[rwaskiewicz]

Pull request checklist

Please check if your PR fulfills the following requirements:

• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Build (npm run build) was run locally and any changes were pushed
• Tests (npm test) were run locally and passed
• Prettier (npm run prettier) was run locally and passed

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe): git changes

What is the current behavior?

See new behavior section

GitHub Issue Number: N/A

What is the new behavior?

this commit adds the vs code and jetbrains ide settings directories to the project's gitignore file. this is being added as git attempts to surface these as available to check in, which is something we (as the stencil team) do not practice

Does this introduce a breaking change?

• Yes
• No

Testing

N/A

Other information

[alicewriteswrongs]

lgtm!