chore(nx): move all monorepo-style in subfolder for processing

apps/server/src/etapi/spec.ts

@@ -1,23 +0,0 @@
-import type { Router } from "express";
-
-import fs from "fs";
-import path from "path";
-
-import { fileURLToPath } from "url";
-const specPath = path.join(path.dirname(fileURLToPath(import.meta.url)), "etapi.openapi.yaml");
-let spec: string | null = null;
-
-function register(router: Router) {
-    router.get("/etapi/etapi.openapi.yaml", (req, res, next) => {
-        if (!spec) {
-            spec = fs.readFileSync(specPath, "utf8");
-        }
-
-        res.header("Content-Type", "text/plain"); // so that it displays in browser
-        res.status(200).send(spec);
-    });
-}
-
-export default {
-    register
-};