Added a .gitattributes file to set the line ending behavior when checking out/committing

.gitattributes

@@ -0,0 +1,33 @@
+# Define the line ending behavior of the different file extensions
+# Set default behaviour, in case users don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files we want to always be normalized and converted
+# to native line endings on checkout.
+*.php text
+*.default text
+*.ctp text
+*.sql text
+*.md text
+*.mo text
+*.po text
+*.js text
+*.css text
+*.ini text
+*.properties text
+*.txt text
+*.xml text
+*.yml text
+.htaccess text
+
+# Declare files that will always have CRLF line endings on checkout.
+*.bat eol=crlf
+
+# Declare files that will always have LF line endings on checkout.
+*.pem eol=lf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary
+*.gif binary
+*.ico binary