module.exports = {
  siteMetadata: {
    title: `JavaScript Zagreb`
  },
  plugins: [
    'gatsby-plugin-styled-components',
    `gatsby-plugin-react-helmet`,
    'gatsby-transformer-remark',
    {
      resolve: `gatsby-plugin-google-fonts`,
      options: {
        fonts: [`Oswald`]
      }
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `src`,
        path: `${__dirname}/src`
      }
    }
  ]

}

module.exports = {
  siteMetadata: {
    title: 'JavaScript Zagreb'
  },
  plugins: [
    'gatsby-plugin-styled-components',
    'gatsby-plugin-react-helmet',
    'gatsby-transformer-remark',
    {
      resolve: 'gatsby-plugin-google-fonts',
      options: {
        fonts: ['Oswald']
      }
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'src',
        path: `${__dirname}/src`
      }
    }
  ]

}

Use single quote instead of backticks
Use single quote instead of backticks
