Add README and LICENSE

LICENSE

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+MIT License
+
+Copyright (c) 2024 Etenie
+
+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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+# Nutri
+
+Nutri is a C++ project that retrieves and processes nutritional information from various sources.
+
+## Currently supported sources
+
+- [x] WolframAlpha 
+- [ ] OpenFoodFacts
+
+## Features
+
+- [x] Fetch and display nutrition data
+- [ ] Export data to a CSV file
+- [ ] Cache previous queries
+- [ ] alternative [QT](qt.io) based GUI
+
+## Installation
+
+### Dependencies
+
+- [`glaze`](https://github.com/stephenberry/glaze)
+- [`cpr`](https://github.com/libcpr/cpr)
+- [`ctre`](https://github.com/hanickadot/compile-time-regular-expressions)
+
+These libraries will be fetched automatically via CMake if they are not already installed on your system.
+
+### Clone the repository
+
+```bash
+git clone --depth=1 https://git.etenie.net/etenie/nutri.git
+cd nutri
+```
+
+### Build with CMake
+
+```bash
+cmake -S . -B build
+cmake --build build
+```
+
+Now you will find the `nutri` executable in the `build` dir.
+
+## Usage
+
+```
+-h, --help: Print help
+-f, --food: Specify the food item
+-a, --amount: Specify the amount (in grams)
+```
+
+Example usage:
+
+```bash
+./nutri -f "ground beef" -a 100
+Cals:    236 kcal
+Protein: 26 g
+Carbs:   0 g
+Fats:    14 g
+```
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.