Added pyproject.toml and more code formatting and checks

[vfdev-5]

• Added pyproject.toml to set max line size to 120
• Reformatted with black to 120
• Made black running on dist-tests with pnpm dist_lint

[netlify[bot]]

✅ Deploy Preview for code-generator ready!

Name	Link
🔨 Latest commit	146ca825752f41694ad95faf6ba892dde6f9f873
🔍 Latest deploy log	https://app.netlify.com/sites/code-generator/deploys/64ac214c9af9cf0008956471
😎 Deploy Preview	https://deploy-preview-274--code-generator.netlify.app/
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.