Update JS SDK API to the new version (#61)

* FluenceClient renamed to FluencePeer.
* Using Aqua compiler is now the recommended way for all interaction with the network, including services registration and sending requests
* Old API (sendParticle etc) has been removed
* Opaque seed format replaced with 32 byte ed25519 private key. KeyPair introduced
* Documentation update

src/internal/RequestFlow.ts

@@ -5,6 +5,7 @@ import { CallServiceHandler } from './CallServiceHandler';
 import { PeerIdB58 } from './commonTypes';
 import { FluenceConnection } from './FluenceConnection';
 import { Particle, genUUID, logParticle } from './particle';
+import { ParticleDataToString } from './utils';
 
 export const DEFAULT_TTL = 7000;