Add redux-electron-store to Ecosystem

Author: gaearon

docs/introduction/Ecosystem.md

@@ -76,6 +76,7 @@ On this page we will only feature a few of them that the Redux maintainers have
 * [redux-recycle](https://github.com/omnidan/redux-recycle) — Reset the redux state on certain actions
 * [redux-batched-actions](https://github.com/tshelburne/redux-batched-actions) — Dispatch several actions with a single subscriber notification
 * [redux-search](https://github.com/treasure-data/redux-search) — Automatically index resources in a web worker and search them without blocking
+* [redux-electron-store](https://github.com/samiskin/redux-electron-store) — Store enhancers that synchronize Redux stores across Electron processes
 
 ### Utilities