Added command line sample with sharp

examples/command-line/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "command-line",
+  "version": "1.0.0",
+  "description": "",
+  "main": "test.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "sharp": "^0.32.6"
+  }
+}

examples/command-line/test.js

@@ -0,0 +1,32 @@
+const sharp = require('sharp');
+var DocRectifier = require('../../index.js');
+
+const path = require('path');
+console.log(DocRectifier.getVersionNumber());
+DocRectifier.initLicense('DLS2eyJoYW5kc2hha2VDb2RlIjoiMjAwMDAxLTE2NDk4Mjk3OTI2MzUiLCJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSIsInNlc3Npb25QYXNzd29yZCI6IndTcGR6Vm05WDJrcEQ5YUoifQ==');
+
+var obj = new DocRectifier();
+obj.setParameters(DocRectifier.Template.binary);
+
+sharp('../../images/document.png')
+  .raw() // This ensures the image data is returned as raw pixel data
+  .toBuffer((err, data, info) => {
+    if (err) throw err;
+
+    const width = info.width;
+    const height = info.height;
+    const stride = info.size / info.height;
+
+    (async function () {
+      try {
+
+        let results = await obj.detectBufferAsync(data, width, height, stride);
+        console.log(results);
+        let result = results[0];
+        result = await obj.normalizeBufferAsync(data, width, height, stride, result['x1'], result['y1'], result['x2'], result['y2'], result['x3'], result['y3'], result['x4'], result['y4']);
+        obj.save('test.png');
+      } catch (error) {
+        console.log(error);
+      }
+    })();
+  });