Added a README

README.md

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+## galaxygen
+
+![galaxygen in urxvt](https://i.imgur.com/lrZOJWy.gif)
+
+A quite complex galaxy generater based on the work seen [here](http://loewald.com/galaxy).
+I'm currently making a game that needed a generated galaxy, so I thought that someone else could maybe use this tool as well.
+
+Have fun!
+
+## Install :
+```
+npm i galaxygen -g
+```
+
+## Usage :
+```
+Usage:
+  galaxygen [OPTIONS] [ARGS]
+
+Options:
+  -s, --seed STRING      The seed you want to generate with. (defaults to '1234')
+  -a, --amount NUMBER    The amount of stars you want to generate. (defaults to 1000)
+  -o, --output STRING    The output file (if enabled). (defaults to printing JSON to stdout)
+  -h, --help             Display help and usage details
+
+```
+
+## Contributing
+
+If you want to add something to the project or add other factors to this generator, feel free to either create an issue or to clone the repository and submit a pull request!
+
+All help is welcome!
+
+## Original
+
+The original work of this galaxy generator can be found at http://loewald.com/galaxy.
+
+## LICENSE
+Check out the `LICENSE` file for more information.