Add start target to package.json
Add start target to package.json

This allows tsc to be packaged hermetically by
https://github.com/h2non/nar.

donaldpipowitch/TypeScript,vilic/TypeScript,kpreisser/TypeScript,minestarks/TypeScript,plantain-00/TypeScript,donaldpipowitch/TypeScript,jeremyepling/TypeScript,Microsoft/TypeScript,ziacik/TypeScript,RyanCavanaugh/TypeScript,kitsonk/TypeScript,weswigham/TypeScript,donaldpipowitch/TypeScript,ziacik/TypeScript,plantain-00/TypeScript,chuckjaz/TypeScript,RyanCavanaugh/TypeScript,synaptek/TypeScript,microsoft/TypeScript,jeremyepling/TypeScript,nojvek/TypeScript,basarat/TypeScript,TukekeSoft/TypeScript,Microsoft/TypeScript,plantain-00/TypeScript,nojvek/TypeScript,nojvek/TypeScript,vilic/TypeScript,vilic/TypeScript,minestarks/TypeScript,donaldpipowitch/TypeScript,mihailik/TypeScript,alexeagle/TypeScript,DLehenbauer/TypeScript,ziacik/TypeScript,jwbay/TypeScript,microsoft/TypeScript,TukekeSoft/TypeScript,Eyas/TypeScript,Eyas/TypeScript,mihailik/TypeScript,weswigham/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,SaschaNaz/TypeScript,chuckjaz/TypeScript,microsoft/TypeScript,nojvek/TypeScript,thr0w/Thr0wScript,DLehenbauer/TypeScript,erikmcc/TypeScript,erikmcc/TypeScript,vilic/TypeScript,Eyas/TypeScript,plantain-00/TypeScript,alexeagle/TypeScript,Eyas/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,alexeagle/TypeScript,synaptek/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,kitsonk/TypeScript,thr0w/Thr0wScript,ziacik/TypeScript,basarat/TypeScript,erikmcc/TypeScript,DLehenbauer/TypeScript,Microsoft/TypeScript,mihailik/TypeScript,chuckjaz/TypeScript,kpreisser/TypeScript,basarat/TypeScript,chuckjaz/TypeScript,kpreisser/TypeScript,SaschaNaz/TypeScript,erikmcc/TypeScript,jeremyepling/TypeScript,minestarks/TypeScript,jwbay/TypeScript,TukekeSoft/TypeScript,synaptek/TypeScript,jwbay/TypeScript,mihailik/TypeScript,DLehenbauer/TypeScript,basarat/TypeScript,RyanCavanaugh/TypeScript,synaptek/TypeScript,thr0w/Thr0wScript