Start notes on the existing PEDAL project

Notes and Research/pedal_description.md

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+# Pedal
+> A collection of tools to analyze student's [sic] work in a pipeline. Pedal not only provides some of these tools, but it provides a *framework* around those tools.
+
+- [GitHub repository](https://github.com/pedal-edu/pedal)
+- [Documentation](https://pedal-edu.github.io/pedal/)