Add edge model, service, and routes; integrate edge creation and deletion APIs

src/api-server/routes/edgeRoutes.ts

@@ -0,0 +1,8 @@
+import express from "express";
+import { allEdgesController, deleteEdgesController, edgeCreationController } from "../controller/edgeController";
+const edgeRoutes = express.Router();
+
+edgeRoutes.post("/edgeCreate", edgeCreationController);
+edgeRoutes.patch("/edgeDelete", deleteEdgesController);
+edgeRoutes.get("/allEdges", allEdgesController);
+export default edgeRoutes;