[6kyu][string] towerBuilder

https://www.codewars.com/kata/576757b1df89ecf5bd00073b

Build a pyramid-shaped tower, as an array/list of strings, given a
positive integer number of floors. A tower block is represented with "*"
character.For example, a tower with 3 floors looks like this:

lib/towerBuilder.ts

@@ -0,0 +1,17 @@
+export const towerBuilder = (nFloors: number): string[] => {
+
+  const floors: string[] = [];
+
+  for (let n = 1; n < nFloors + 1; n++) {
+    const stars = "*".repeat(n * 2 - 1);
+    const space = ' '.repeat(nFloors - n);
+    const res = space + stars + space;
+    floors.push(res);
+  }
+
+  return floors;
+
+}
+
+console.log(towerBuilder(3))
+console.log(towerBuilder(6))