Fix issue : 2264 (#2265)
Fix issue : 2264 (#2265)

* Update ServerRendering.md

Fix issue : #2264. If no static directory is defined, the handleRender middleware function will be called when the browser fetches for `/static/bundle.js` and will give back the index.html

* Update ServerRendering.md

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lifeiscontent/redux,gaearon/redux,roth1002/redux,CompuIves/redux,gaearon/redux,CompuIves/redux,lifeiscontent/redux,roth1002/redux