User, match, sport schemas added.

server/middleware/Database.js

@@ -0,0 +1,9 @@
+import { mongoose } from "../database/mongoose.js";
+
+export function needDatabase(res, req, next) {
+    if (mongoose.connection.readyState != 1) {
+        res.status(500).send("Internal server error: Database connection faulty.");
+    } else {
+        next();
+    }
+}