move examples, use index.ts as playground, update aqua-cli version

src/examples/parCall.ts

@@ -0,0 +1,20 @@
+import {FluenceClient, registerServiceFunction} from "@fluencelabs/fluence";
+import {parFunc} from "../compiled/par";
+
+export async function parCall(client: FluenceClient) {
+
+    let promise = new Promise<string>((resolve, reject) => {
+        registerServiceFunction(client, "parservice-id", "call", (args: any[], _) => {
+            console.log("hello from parservice-id")
+            let result = "hello"
+            resolve(result)
+            return result
+        })
+    })
+
+    await parFunc(client, client.relayPeerId!, (c) => {
+        console.log("parFunc. external addresses par: " + c.external_addresses)
+    })
+
+    return promise
+}