Migrate from moment to date-fns and some changes

backend/src/config/dbConfig.js

@@ -0,0 +1,15 @@
+require("dotenv/config");
+
+module.exports = {
+	define: {
+		charset: "utf8mb4",
+		collate: "utf8mb4_bin",
+	},
+	dialect: "mysql",
+	timezone: "-03:00",
+	host: process.env.DB_HOST,
+	database: process.env.DB_NAME,
+	username: process.env.DB_USER,
+	password: process.env.DB_PASS,
+	logging: false,
+};