Add example to folder

example/node-test-with-buffer.js

@@ -0,0 +1,29 @@
+var Quagga = require('../lib/quagga').default;
+
+
+var buff = require('fs').readFileSync('image-001.jpg');
+
+    decode(buff);
+    function decode(buff){
+    Quagga.decodeSingle({
+        src: buff,
+        mime: "image/jpeg",
+        numOfWorkers: 0,
+        inputStream: {
+            size: 800,
+            area: {
+                top: "10%",
+                right: "5%",
+                left: "5%",
+                bottom: "10%"
+            }
+        }
+    }, function(result) {
+        if(result.codeResult) {
+            console.log("result", result.codeResult.code);
+        } else {
+            console.log("not detected");
+        }
+        
+    });
+}