Materials for the Python Skills tutorial (#723)

* Materials for the Python Skills tutorial

* Add missing README file

* Update README to reflect supporting materials

* Add instructions to the spreadsheet

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Co-authored-by: Philipp <filip.axani+github@gmail.com>

Author: bzaczynski

python-skills/Python Developer Skill Roadmap.xlsx

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+# How to Build the Python Skills That Get You Hired
+
+This folder contains supporting materials for the Real Python tutorial [How to Build the Python Skills That Get You Hired](https://realpython.com/python-skills/).