Revert "remove babel rc"

This reverts commit 5c5ddad0b9.

.babelrc

@@ -0,0 +1,25 @@
+{
+  "env": {
+    "module": {
+      "presets": [
+        ["env", {
+          "targets": { "node": "6" },
+          "modules": false
+        }],
+        "stage-0",
+        "react"
+      ]
+    },
+    "main": {
+      "presets": ["env", "stage-0", "react"]
+    }
+  },
+  "plugins": [
+    "babel-plugin-transform-regenerator",
+    "babel-plugin-transform-object-rest-spread",
+    "babel-plugin-inline-import",
+    "babel-plugin-transform-class-properties",
+    "babel-plugin-transform-es2015-classes",
+    "babel-plugin-syntax-dynamic-import"
+  ]
+}