[ 🚧 WIP ] finished working the rotate matrix challenge (codinasion#5698)

Co-authored-by: Sarah Teklemariam <sarah.f.tsion@gmail.com>
Co-authored-by: Harsh Raj <harshraj8843@gmail.com>
Closes https://github.com/codinasion/program/issues/5453

program/cylindrically-rotate-a-matrix-by-90-degrees/rotateMatrix.js

@@ -0,0 +1,29 @@
+"use strict";
+
+let N = 3;
+
+function rotate90Clockwise(arr) {
+  for (let j = 0; j < N; j++) {
+    for (let i = N - 1; i >= 0; i--) {
+      process.stdout.write(arr[i][j] + " ");
+    }
+    console.log();
+  }
+}
+
+let arr = [
+  [1, 1, 1],
+  [2, 2, 2],
+  [3, 3, 3],
+];
+
+console.log("Initial matrix:");
+for (let i = 0; i < N; i++) {
+  for (let j = 0; j < N; j++) {
+    process.stdout.write(arr[i][j] + " ");
+  }
+  console.log();
+}
+
+console.log("\nRotated matrix:");
+rotate90Clockwise(arr);