init

exercise1/.gitattributes

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+## source: https://docs.github.com/en/get-started/getting-started-with-git/configuring-git-to-handle-line-endings
+
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.h text
+*.hpp text
+*.c text
+*.cpp text
+*.py text
+*.ipynb text
+*.md text
+*.txt text
+*.csv text