Bundle phantomjs again (#9)

Author: Yukaii

.babelrc

@@ -1,6 +1,13 @@
 {
   "presets": [
-    "@babel/preset-env",
+    [
+      "@babel/preset-env", 
+      { 
+        "useBuiltIns": "entry",
+        "targets": "> 0.25%, not dead",
+        "corejs": 3
+      }
+    ],
     "@babel/typescript"
   ],
   "plugins": [