Add SQLite database to backend, interacting with the frontend

software/backend/routes/api.routes.ts

@@ -0,0 +1,7 @@
+import { Request, Response, NextFunction, Router } from 'express'
+
+export const api = Router()
+
+api.get("/", (req: Request, res: Response, next: NextFunction) => {
+  res.send("Hello World!")
+})