Add .gitattributes to force git not changing line endings for developers

.gitattributes

@@ -0,0 +1,14 @@
+# Set the LF line ending default behavior also on Windows, in case core.autocrlf is not set.
+* text eol=lf
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+#*.c text
+#*.h text
+
+# Declare files that will always have CRLF line endings on checkout.
+#*.sln text eol=crlf
+
+# Denote all files that are truly binary and should not be modified.
+#*.png binary
+#*.jpg binary