added support for amazon

examples/amazon.js

@@ -0,0 +1,21 @@
+const se_scraper = require('./../index.js');
+
+let config = {
+    headless: false,
+    search_engine: 'amazon',
+    debug: false,
+    verbose: false,
+    keywords: ['iphone', 'drone'],
+    num_pages: 1,
+    output_file: 'examples/results/amazon.json',
+    amazon_settings: {
+        amazon_domain: 'amazon.com',
+    }
+};
+
+function callback(err, response) {
+    if (err) { console.error(err) }
+    console.dir(response, {depth: null, colors: true});
+}
+
+se_scraper.scrape(config, callback);