chore: borrow .gitattributes file from jQuery.

FarSeeing · FarSeeing · commit 9c9c7efd300a · 2014-12-30T21:14:35.000+05:00
Specify line endings for Windows builds. Closes #10431
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +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
