refactor(fp): reorder files

fp.ts

@@ -11,18 +11,18 @@ export {frames} from './src/sources/Frames'
 export {fromDOM} from './src/sources/FromDOM'
 export {fromPromise} from './src/sources/FromPromise'
 export {interval} from './src/sources/Interval'
+export {IObservable} from './src/lib/Observable'
+export {IObserver} from './src/lib/Observer'
+export {ISubscriberFunction} from './src/lib/SubscriberFunction'
+export {ISubscription} from './src/lib/Subscription'
 export {join, flatMap} from './src/operators/Join'
 export {map} from './src/operators/Map'
 export {merge} from './src/operators/Merge'
 export {multicast} from './src/operators/Multicast'
-export {IObservable} from './src/lib/Observable'
-export {IObserver} from './src/lib/Observer'
 export {of} from './src/sources/FromArray'
 export {reduce} from './src/operators/Reduce'
 export {sample} from './src/operators/Sample'
 export {scan} from './src/operators/Scan'
 export {skipRepeats} from './src/operators/SkipRepeats'
 export {slice} from './src/operators/Slice'
-export {ISubscriberFunction} from './src/lib/SubscriberFunction'
-export {ISubscription} from './src/lib/Subscription'
 export {switchLatest, switchMap} from './src/operators/Switch'