Update .npmignore (#22318)
Update .npmignore (#22318)

* Update .npmignore

* add yarn.lock

Microsoft/TypeScript,kpreisser/TypeScript,donaldpipowitch/TypeScript,weswigham/TypeScript,nojvek/TypeScript,nojvek/TypeScript,SaschaNaz/TypeScript,RyanCavanaugh/TypeScript,minestarks/TypeScript,alexeagle/TypeScript,alexeagle/TypeScript,kpreisser/TypeScript,RyanCavanaugh/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,microsoft/TypeScript,weswigham/TypeScript,basarat/TypeScript,Microsoft/TypeScript,SaschaNaz/TypeScript,minestarks/TypeScript,minestarks/TypeScript,donaldpipowitch/TypeScript,kitsonk/TypeScript,basarat/TypeScript,RyanCavanaugh/TypeScript,kitsonk/TypeScript,basarat/TypeScript,Microsoft/TypeScript,donaldpipowitch/TypeScript,microsoft/TypeScript,alexeagle/TypeScript,nojvek/TypeScript,weswigham/TypeScript,donaldpipowitch/TypeScript,nojvek/TypeScript,kitsonk/TypeScript,basarat/TypeScript,microsoft/TypeScript,SaschaNaz/TypeScript