Add .gitattributes for End-Of-Line automatic handling

.gitattributes

@@ -0,0 +1,31 @@
+# Set default behavior, in case users don't have core.autocrlf set.
+* text=auto
+
+.classpath text
+.project text
+*.html text
+*.htm text
+*.java text
+*.js text
+*.jsp text
+*.php text
+*.properties text
+*.sh text
+*.xml text
+*.md text
+*.bat text
+*.gradle text
+*.pl text
+*.mk text
+*.tests text
+*.doctest text
+gradlew text
+manifest text
+LIST text
+
+*.bmp binary
+*.gif binary
+*.jar binary
+*.jpg binary
+*.jpeg binary
+*.png binary