Update README.md

Author: reitenth

foundations/04-etch-a-sketch/README.md

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 # odin-etch-a-sketch
 
-**Time Spent:** 5 hrs coding and 5 hours studying concepts.
-
 **What I Learned:** More DOM getting ingrained in me. I used grid as I was somewhat familiar with it from previous HTML knowledge despite it not being taught yet. 
 
 **What Was Difficult:** Once again, the syntax. It is different than HTML/CSS and takes more time than writing code.