Update .gitignore (laravel#5046)

SjorsO · taylorotwell · commit ebc6f6e2c794 · 2019-06-18T12:18:58.000+02:00
diff --git a/.gitignore b/.gitignore
@@ -4,6 +4,7 @@
 /storage/*.key
 /vendor
 .env
+.env.backup
 .phpunit.result.cache
 Homestead.json
 Homestead.yaml
