Added README.md

README.md

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+# Unit Converter CLI Tool
+
+## Description
+
+This is a simple CLI tool that converts units of length, weight, and volume. Written in Rust.
+
+### Supported units:
+
+- Length: meters, feet, inches, yards, miles, kilometers, centimeters, millimeters, decimeters, dekameters, nautical miles
+- Weight: grams, kilograms, ounces, pounds, and more ...
+- Volume: milliliters, liters, cups, pints, quarts, gallons, and more ...
+- Temperature: celsius, fahrenheit, kelvin
+
+## Usage
+
+### Installation
+
+1. Download the latest release from the [releases page](123).
+2. Unzip the file.
+3. open a terminal and navigate to the directory where you unzipped the file.
+4. Run the following command: `./unit-converter`
+
+### Examples
+
+#### Convert 1 meter to feet
+
+```bash
+./unit-converter meter 1 feet
+
+1 meter is 3.28084 feet
+```
+
+#### Convert 30 Celsius to Kelvin and
+
+```bash
+./unit-converter celsius 30 kelvin
+```
+
+#### Output
+
+```bash
+30 celsius is 303.15 kelvin
+```
+
+#### Convert 30 Celsius to Fahrenheit
+
+```bash
+./unit-converter celsius 30 fahrenheit
+```
+
+#### Output
+
+```bash
+30 celsius is 86 fahrenheit
+```
+
+### Help
+
+```bash
+./unit-converter --help
+```
+
+#### or
+
+```bash
+./unit-converter -h
+```
+
+## License
+
+[MIT](https://choosealicense.com/licenses/mit/)
+
+## Author
+
+[Chloe Pratas](https://github.com/Chloe199719?)