Add editorconfig file

SpaceK33z · SpaceK33z · commit 10d24b552049 · 2016-08-21T22:01:49.000+02:00
Copied from webpack-dev-server.
diff --git a/.editorconfig b/.editorconfig
@@ -0,0 +1,5 @@
+root = true
+
+[*.js]
+indent_style=tab
+trim_trailing_whitespace=true
