[ + ] Toup

### Dependencies
- This Addon/workbench runs on:
- [x] Most up to date stable release
- [x] Most up to date development release
- [x] Python 3 compatible
- [x] Qt5 and Qt6 compatible (uses "import PySide" rather than "import PySide2")
- [ ] Is this backward compatible with any previous version of FC? If so, please mention in the README.md
- [ ] Does this use 3rd party dependencies?
- No 3rd party dependencies beyond FreeCAD

### README.md
- [x] Is [Markdown][Markdown-link] friendly
- [x] Has a **Prerequisite** or **Dependencies** section
- [x] Links to a ``LICENCE`` file (MIT License)
- [x] Has a Screenshot and/or a section for screenshots (includes demo.gif)
- [ ] Links to a [FreeCAD Forum discussion thread][FreeCAD-Thread]

### Misc.
- [ ] Do you keep a [changelog][Changelog]?
Not yet - will be added in future releases
- [ ] Your Addon has an SVG based Logo?
Not yet - using default icon
- [x] Your Addon has a [package.xml file][Package_Metadata]?
- [ ] Edit the FreeCAD [External Workbenches][FC-ExternalWB-Wiki] wiki page
Will do after PR is accepted

### Housekeeping
- [x] Fixed typos in the code using code quality tools
- [x] We recommend linting python code with PEP8. Using Ruff for linting and formatting

### Repository Related
- [ ] Repository uses [Release tags][Github-Tags]?
Will create v0.1.0 tag after PR acceptance
- Repository is hosted on GitLab: https://gitlab.com/toup.studio/toup
- GitLab topics include: furniture, parametric, cnc, laser-cutting, joinery

**Repository:** https://gitlab.com/toup.studio/toup
**Branch:** main
**Description:** Parametric furniture design workbench for CNC and laser cutting with automatic joints