chore: remove committed .idea directory and fix .gitignore

[JWhite212]

Summary\n\n- Fix .gitignore: the existing file only excluded /out/, leaving IntelliJ IDEA artefacts (.idea/, *.iml, *.ipr, *.iws) unignored. Added the standard IntelliJ ignore patterns.\n- Remove committed .idea/ directory and VendingMachineProject.iml: deletes all seven tracked IDE artefacts — .idea/.gitignore, .idea/.name, .idea/libraries/junit.xml, .idea/misc.xml, .idea/modules.xml, .idea/uiDesigner.xml, and VendingMachineProject.iml.\n\n## Why this matters\n\nCommitted IDE configuration files add noise to the repository, can expose local machine paths, and are a clear signal to employers that basic git hygiene was not applied. The fix prevents any future .idea/ or .iml files from being committed and removes the existing ones from the working tree.\n\n## Note on git history\n\nThis PR removes the files from the branch tip (they will not appear in a git clone), but they remain in the commit history. To scrub them entirely, run git filter-repo --path .idea/ --path \"*.iml\" --invert-paths locally — optional for a portfolio repository.\n\n## Test plan\n\n- [ ] Confirm .idea/ and VendingMachineProject.iml no longer appear in the repository file tree after merge\n- [ ] Confirm .gitignore now includes .idea/ and *.iml

---

Generated by Claude Code

[coderabbitai]

Important

Review skipped

Draft detected.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 4a006f80-d810-4983-b9bf-ac801ab1d76f

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}