npm install fails due to private github repo??

```
npm ERR! Error while executing:
npm ERR! /usr/bin/git ls-remote -h -t https://git@github.com/quasarframework/quasar-edge.git
npm ERR!
npm ERR! remote: Invalid username or password.
npm ERR! fatal: Authentication failed for 'https://git@github.com/quasarframework/quasar-edge.git/'
npm ERR!
npm ERR! exited with error code: 128
```

