📝 Add note on learning friction

Learning.md

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   1. **Guided:** Reading a tutorial, taking a course, watching a YouTube video. Anything where you're following a guide.
   2. **Unguided:** Creating your own projects from scratch, extending a tutorial, looking things up in the docs. Anything where you aren't following a guide.
 - Learn to [[Asking Questions|ask better questions]]. Distill what you know to figure out what part you're missing or which link is missing.
+- Friction is when learning happens. If you hunt for removing all friction, you are unlikely to learn.
 - Learn by [[Writing]]:
   1. Pick a topic.
   2. Read and/or discuss with others (a bit).