added multicolor bar example

examples/example-colorized.js

@@ -0,0 +1,19 @@
+const _progress = require('../cli-progress');
+
+// create a new progress bar with preset
+const bar = new _progress.Bar({
+    // green bar, reset styles after bar element
+    format: ' >> [\u001b[32m{bar}\u001b[0m] {percentage}% | ETA: {eta}s | {value}/{total}',
+
+    // same chars for bar elements, just separated by colors
+    barCompleteChar: '#',
+    barIncompleteChar: '#',
+
+    // change color to yellow between bar complete/incomplete -> incomplete becomes yellow
+    barGlue: '\u001b[33m'
+});
+bar.start(200, 0);
+
+// random value 1..200
+bar.update(Math.floor((Math.random() * 200) + 1));
+bar.stop();