Doom Emacs And Creating A Literate Config

I recently switched back to Doom Emacs and I'm in the early stages of configuring it. In this video, I configure variable font sized Org headers, set eshell as the initial buffer when I launch emacs, and convert my config.el over to a literate config.org.

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https://www.youtube.com/watch?v=eFRzRsWTXPk