refactor(reactflow): add node resizer package

packages/reactflow/src/base.css

@@ -1,3 +1,4 @@
 @import '@reactflow/core/dist/base.css';
 @import '@reactflow/controls/dist/style.css';
 @import '@reactflow/minimap/dist/style.css';
+@import '@reactflow/node-resizer/dist/style.css';

packages/reactflow/src/index.ts

@@ -3,5 +3,6 @@ export * from '@reactflow/minimap';
 export * from '@reactflow/controls';
 export * from '@reactflow/background';
 export * from '@reactflow/node-toolbar';
+export * from '@reactflow/node-resizer';
 
 export { ReactFlow as default } from '@reactflow/core';

packages/reactflow/src/style.css

@@ -1,3 +1,4 @@
 @import '@reactflow/core/dist/style.css';
 @import '@reactflow/controls/dist/style.css';
 @import '@reactflow/minimap/dist/style.css';
+@import '@reactflow/node-resizer/dist/style.css';