add attributes file

This should help to avoid eol nightmare during merge to master branch

Author: Rustam Zaitov

.gitattributes

@@ -0,0 +1,19 @@
+# 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.
+*.c text
+*.h text
+*.cs text
+*.csproj text
+
+# Declare files that will always have CRLF line endings on checkout.
+*.sln text eol=crlf
+
+# Declare files that will always have LF line endings on checkout.
+*.sh text eol=lf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary