add license and readme

LICENSE

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+MIT License
+
+Copyright (c) 2026 Davide
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

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+# CEV Skills for Claude Code
+
+Support repository for office use of Claude Code, with ready-to-import skills to solve mechanical design and materials engineering questions.
+
+## Goal
+- Provide modular skills (`SKILL.md`) for real engineering workflows.
+- Make Claude import easy through `.skill` and `.zip` packages.
+- Keep a single, versioned source of truth for skills, test prompts, and exports.
+
+## Repository Structure
+- `skill/`: skill sources (one folder per skill, each with `SKILL.md`).
+- `script/`: automation tools (packaging and utilities).
+- `package/`: generated outputs (`per-skill/`, `bundles/`, package index).
+
+## Packaging
+Generate import-ready packages for all skills:
+
+```bash
+python3 script/package_skills.py
+```
+
+Main outputs:
+- `package/per-skill/<skill-name>.skill`
+- `package/per-skill/<skill-name>.zip`
+- `package/bundles/mechanical-skills-collection.zip`
+- `package/PACKAGES_INDEX.md`
+
+## Import in Claude
+- Single import: upload a file from `package/per-skill/`.
+- Internal distribution: use the `mechanical-skills-collection.zip` bundle.
+
+## Operational Notes
+- Source skills live in `skill/`.
+- Files in `package/` are generated artifacts.
+
+## License
+This project is released under the MIT License. See `LICENSE`.