feat: add functional authentication

spec/schemas/account/routes.ts

@@ -0,0 +1,20 @@
+import { route } from "@spec/relay";
+import z from "zod";
+
+import { NameSchema } from "../name.ts";
+import { AccountEmailClaimedError } from "./errors.ts";
+
+export const create = route
+  .post("/api/v1/accounts")
+  .body(
+    z.object({
+      name: NameSchema,
+      email: z.email(),
+    }),
+  )
+  .errors([AccountEmailClaimedError])
+  .response(z.uuid());
+
+export const routes = {
+  create,
+};