added license and repo to package.json
added license and repo to package.json

to silence the warnings of no license/repository
sebastienvercammen/ptc-acc-gen,FrostTheFox/ptc-acc-gen,sebastienvercammen/ptc-acc-gen,FrostTheFox/ptc-acc-gen,FrostTheFox/ptc-acc-gen,sebastienvercammen/ptc-acc-gen