Create .gitattributes

Author: photonstorm

.gitattributes

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+# 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.
+*.js text
+*.ts text
+*.md text
+*.json text
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary