docs: add MIT license and update the README document

LICENSE

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+MIT License
+
+Copyright (c) 2024 Jonathan Delgado <hi@jon.soy>
+
+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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 # Your Life in Weeks
 
-Write your week on this documento [WEEKS.md](./WEEKS.md).
+**Based on the concept by Tim Urban**
 
+This project is inspired by the article "Your Life in Weeks" published on Wait But Why, where Tim Urban illustrates the structure of a person's life from conception to old age.
 
+## Live Demo
+
+You can see a live version of this project at https://jondotsoy.github.io/your-life-in-weeks/. This demo showcases a plantilla for all the weeks in your life.
+
+## Project Description
+
+This project generates markdown files, one per week, outlining the structure of human life. The idea is to visualize how each stage of life fits together and help you appreciate the importance of every moment.
+
+## Licensing
+
+This project is licensed under the MIT License. See [LICENSE](./LICENSE) for details.
+
+## Contributing
+
+Feel free to contribute to this project by sending a pull request or suggesting new features.