loadEnvFile() {
		if (this.flags.env || this.flags.envfile) {
			try {
				const dotenv = require("dotenv");

				if (this.flags.envfile) dotenv.config({ path: this.flags.envfile });
				else dotenv.config();
			} catch (err) {
				throw new Error(
					"The 'dotenv' package is missing! Please install it with 'npm install dotenv --save' command."
				);
			}
		}
	}
Load environment variables from '.env' file