Example code and usage:

*for adding text over img*
```javascript
let {memGen} = require('whatsapp-bot-pack');


let options = {
    imageURL: 'example.jpg', // URL of image
    topText: 'hamme', // optionel
    top_Pos : 10,//optionel
    bottomText: 'ekash-md', // bottom text of meme
    bot_Pos : 50,//optionel
    fileName: 'my_meme', //optionel
}

memGen(options, function(res, error) {
    if(error) throw new Error(error)
    console.log('img writed with ' + res.fileName + 'name');
});
```