Update readme for ngrx store 4.0.3 (#57)
Update readme for ngrx store 4.0.3 (#57)

- changed the type signature of the meta reducers array, fixes the resulting type conflict with the usage example.
btroncone/ngrx-store-localstorage,btroncone/ngrx-store-localstorage,btroncone/ngrx-store-localstorage