Add react-spring package alias

jsconfig.json

@@ -14,6 +14,7 @@
       "moment": [ "./core/modules/packages/Moment" ],
       "react": [ "./core/modules/packages/React" ],
       "react-dom": [ "./core/modules/packages/ReactDOM" ],
+      "react-spring": [ "./core/modules/packages/ReactSpring" ],
       "react-router": [ "./core/modules/packages/Router" ]
     }
   }

package.json

@@ -71,6 +71,7 @@
     "moment": "src/core/modules/packages/Moment",
     "react": "src/core/modules/packages/React",
     "react-dom": "src/core/modules/packages/ReactDOM",
+    "react-spring": "src/core/modules/packages/ReactSpring",
     "react-router": "src/core/modules/packages/ReactRouter"
   },
   "dependencies": {

src/core/modules/packages/ReactSpring.js

@@ -0,0 +1 @@
+module.exports = require('../webpack').getModule('Spring');

src/core/modules/packages/index.js

@@ -1,7 +1,7 @@
+import * as ReactRouter from './ReactRouter';
+import * as ReactDOM from './ReactDOM';
 import * as Moment from './Moment';
 import * as React from './React';
-import * as ReactDOM from './ReactDOM';
-import * as ReactRouter from './ReactRouter';
 
 export default {
   moment: Moment,