Add initial "tech tips" post: Naming things, part 1

[mfisher87]

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[mfisher87]

Could / should we introduce the term "smells" in this post, so we can continue using it throughout the series? E.g. a post on modules would have a "smells" section like: modules names tools.py or utils.py (this is a self-callout 😆 ), one big main.py, a dozen+ modules in the same directory, etc.