Add .gitattributes files (bshaffer#783)

chadicus · bshaffer · commit 94caf2e255ca · 2016-12-01T11:54:27.000-08:00
The .gitattributes file will prevent items such as test files, yaml files, etc from being included when this library is imported via composer
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1,7 @@
+# Exclude unused files
+# see: https://redd.it/2jzp6k
+/tests                     export-ignore
+.travis.yml                export-ignore
+.gitattributes             export-ignore
+.gitignore                 export-ignore
+phpunit.xml                export-ignore
