chore: borrow .gitattributes file from jQuery.

FarSeeing · FarSeeing · commit 0e72a769af9e · 2014-12-30T20:50:55.000+05:00
Specify line endings for Windows builds. Closes angular#10431
diff --git a/.gitattributes b/.gitattributes
@@ -1 +1,5 @@
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# JS files must always use LF for tools to work
 *.js eol=lf
