Update copyright year in README.md#898

anubhavsharmawork wants to merge 1 commit intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

anubhavsharmawork:bug-fix-typoanubhavsharmawork/Introduction-to-Git-and-GitHub:bug-fix-typoCopy head branch name to clipboard