refactor: split controllers (#66)

* refactor: group controllers under a facade management class

* chore: rename class getters

* refactor: split management tests

* fix: fix rebase conflicts

src/client.ts

@@ -1,13 +1,10 @@
 import { EdcConnectorClientContext } from "./context";
-import {
-  ManagementController,
-  ObservabilityController,
-  PublicController,
-} from "./controllers";
+import { ObservabilityController, PublicController } from "./controllers";
 import { Addresses } from "./entities";
 import { Inner } from "./inner";
 
 import { version } from "../package.json";
+import { ManagementController } from "./facades/management";
 
 export class EdcConnectorClient {
   readonly management: ManagementController;

src/controllers/index.ts

@@ -1,3 +1,3 @@
-export * from "./management-controller";
+export * from "./management-controllers";
 export * from "./observability-controller";
 export * from "./public-controller";