chore(monorepo/server): move server-side source code

apps/server/src/services/backend_script_api_interface.ts

@@ -0,0 +1,11 @@
+import type { Request, Response } from "express";
+import type AbstractBeccaEntity from "../becca/entities/abstract_becca_entity.js";
+import type BNote from "../becca/entities/bnote.js";
+
+export interface ApiParams {
+    startNote?: BNote | null;
+    originEntity?: AbstractBeccaEntity<any> | null;
+    pathParams?: string[];
+    req?: Request;
+    res?: Response;
+}