Adding .gitattributes

.gitattributes

@@ -0,0 +1,20 @@
+* text=auto
+
+*.cpp        text
+*.hpp        text
+*.py         text
+
+*.css        text
+*.html       text
+*.md         text
+*.qbk        text
+*.svg        text
+*.txt        text
+
+*.json       text
+*.yml        text
+
+*.png        binary
+
+Jamfile.v2   text
+.gitignore   text