Implement the connect function in TS

We simply connect to the typescripted client a good example of the
usage is like this

> ind.connect('localhost', 50051)

index.ts

@@ -0,0 +1,12 @@
+import * as announce_pb from './proto/anoma_pb';
+import * as service from './proto/anoma_grpc_pb';
+import * as grpc from '@grpc/grpc-js';
+
+export function connect(address: string, port: number, creds?: grpc.ChannelCredentials)
+    : service.IntentsClient {
+    if (typeof creds == 'undefined') {
+        creds = grpc.credentials.createInsecure();
+    }
+    let target: string = address + ':' + port;
+    return new service.IntentsClient(target, creds)
+}