Add an example

Author: ashenmagic

examples/plugin-usage.js

@@ -0,0 +1,22 @@
+const run = require("./src/index");
+
+
+let input = [1, 2];
+
+let output = input;
+
+const LOOP_COUNT = 20;
+
+
+async function main () {
+    for (
+        let i = 0;
+        i < LOOP_COUNT;
+        i++
+    ) {
+        console.log(output = await run(output));
+    }
+}
+
+
+main();