fixing printChar() so that shift functions can move characters printed by printChar#26

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cchuneke wants to merge 2 commits intosparkfun:mainfrom

Commits on Jun 30, 2025

added line to printChar() to allow shift functions to work on characters printed with printChar()
cchuneke
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Commits on Jul 1, 2025

Added a for loop to clear() to wipe the displayContent array
cchuneke
committed