createSpec () {
    const src = path.resolve(__dirname, '../resources/spec.ejs')
    this.options.logger(`Creating spec file at ${this.specPath}`)

    return common.wrapError('creating spec file', async () => this.createTemplatedFile(src, this.specPath))
  }
Create the nuspec file for the package.

See: https://docs.nuget.org/create/nuspec-reference