Create package.json file to resolve some LS issues

[DonJayamanne]

[DonJayamanne]

Solution:

• Modify the following line to add the file after LS has been downloaded..
  https://github.com/DonJayamanne/pythonVSCode/blob/319f19227000079901a64c6e8234b35c2482087f/src/client/activation/languageServer/activator.ts#L61
• Create file named Microsoft.Python.LanguageServer.runtimeconfig.json
• Contents of file:

{
  "runtimeOptions": {
    "configProperties": {
      "System.Globalization.Invariant": true
    }
  }
}

[karrtikr]

validated