Upgrade babel

Author: mintuz

.babelrc

@@ -1,21 +1,6 @@
 {
     "presets": [
-        [
-            "env",
-            {
-                "targets": {
-                    "browsers": ["last 2 versions", "ie >= 9", "safari >= 7"],
-                    "node": "0.12.7"
-                },
-                "modules": "commonjs"
-            }
-        ],
-        "react"
-    ],
-    "plugins": [
-        "add-module-exports",
-        "transform-es2015-modules-commonjs",
-        "transform-object-rest-spread",
-        "transform-class-properties"
+        ["@babel/preset-env"],
+        "@babel/preset-react"
     ]
 }

.gitignore

@@ -1,2 +1,4 @@
 node_modules/
 coverage/
+.next/
+dist/