Add .gitattributes File to the Framework's Main Directory (#62)

.gitattributes

@@ -0,0 +1,10 @@
+# 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.
+*.cpp text eol=lf
+*.hpp text eol=lf
+*.py text eol=lf
+*.rst text eol=lf
+*.sh text eol=lf