Create README.md

software/README.md

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+## software
+this is a place to put publicly-available software that can be used to run this laser machine.
+Each piece of software included here is for convenience only, and retains the licensing and copyright restrictions from its original pubication.
+
+Contributors post software here only as a convenience for the team working on the project.
+Don't post stuff that's not easily available from the original manufacturer as a free download.
+Do link to the original download site if possible.