package.json file was added. This allow to install latest powerslim using npm
```
    npm install git+ssh://git@github.com:konstantinvlasenko/PowerSlim.git
```

Signed-off-by: Evgeny Gusev <Evgeny.Gusev@quest.com>

Fix version

Signed-off-by: Evgeny Gusev <Evgeny.Gusev@quest.com>
Merge pull request #58 from EvgenyGusev/packageJson

package.json file was added