Shows set up of Retrofit interface

RetrofitSetUp.kt

// Retrofit interface
    interface GCPService {
        @GET("/bigquery/v2/projects/weather-231121/datasets/WeatherDataSet/tables/WeatherDataTable/data")
        fun getTable(@Header("Authorization") token: String, @Query("startIndex") startIndex: Int): Call<JsonObject>
    }

    // Retrofit builder
    private val retrofitBuilder = Retrofit.Builder()
        .baseUrl("https://content.googleapis.com")
        .addConverterFactory(GsonConverterFactory.create())
        .build()

    // Create service
    private val gcpService = retrofitBuilder.create(BigQueryAPI.GCPService::class.java)