function getFile(checkFor, type = "id") {
		return manager.files.find((file) => {
			switch (type) {
				case "id":
					if (file.id === checkFor) return true;
					return false;
				case "name":
					if (file.filename === checkFor) return true;
					return false;
				case "uri":
					if (file.uri === checkFor) return true;
					return false;
				default:
					return false;
			}
		});
	}
Gets a file from the file manager
@param {string|number} checkFor
@param {"id"|"name"|"uri"} [type]
@returns {File}