User, match, sport schemas added.

server/database/mongoose.js

@@ -0,0 +1,16 @@
+import mongoose from "mongoose";
+
+export const dbName = process.env.DB_NAME || "sm_db";
+export const mongoURI = process.env.MONGODB_URI || "mongodb://127.0.0.1:27017";
+
+// Connection documentation: https://mongoosejs.com/docs/connections.html
+try {
+    mongoose.connect(mongoURI, {
+        useNewUrlParser: true,
+        useUnifiedTopology: true,
+        dbName: dbName,
+    });
+} catch (error) {
+    console.error(error);
+}
+export { mongoose };