idz: Begin db backend stub

src/idz/db/index.ts

@@ -0,0 +1,5 @@
+import { Transaction } from "../repo";
+
+export async function beginDbSession(): Promise<Transaction> {
+  throw new Error("WIP");
+}

src/idz/index.ts

@@ -1,11 +1,11 @@
 import { Socket } from "net";
 
-import { beginFilesystemSession } from "./file";
+import { beginDbSession } from "./db";
 import { dispatch } from "./handler";
 import { setup } from "./setup";
 
 export default async function idz(socket: Socket) {
-  const world = await beginFilesystemSession("./state");
+  const world = await beginDbSession();
   const { input, output } = setup(socket);
 
   console.log("Idz: Connection opened");