chore: Adding mainFn helpers

lib/mainFn/NetworkBuilder.ts

@@ -0,0 +1,17 @@
+import { Effects } from "../types";
+import { LocalPort } from "./LocalPort";
+import { TorHostname } from "./TorHostname";
+
+export class NetworkBuilder {
+  static of(effects: Effects) {
+    return new NetworkBuilder(effects);
+  }
+  private constructor(private effects: Effects) {}
+
+  getTorHostName(id: string) {
+    return new TorHostname(id, this.effects);
+  }
+  getPort(id: string) {
+    return new LocalPort(id, this.effects);
+  }
+}