waves

{
    waves: [
        [
           {
               ennemies: [ 'apple','apple','apple','apple' ],
               timeout: 100
           }
        ]
    ],

    screens: [
        {
            waves: [0, 0, 0],
            nextWave: {ennemiesNumber: 1}
        },
        {
            waves: [0, 0, 0],
            nextWave: {ennemiesNumber: 1}
        }
    ]
}