Write a ReadMe

README.md

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+![sb](https://github.com/arda-guler/Spectrobrush/assets/80536083/04752b12-64fa-4301-a70a-466aabf19893)
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+A command line tool that paints images (or text) onto audio spectograms. You can later merge those with existing sound files to create ARGs, [video game easter eggs](https://www.youtube.com/watch?v=yzFit0nldf4) or transmit them to your favorite [globular cluster](https://en.wikipedia.org/wiki/Arecibo_message).
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+Duration and frequency ranges are adjustable.