feat: add CharactersCollection class to manage bubble sort algorithm …

…when a sequence of strings is given

src/CharactersCollection.ts

@@ -0,0 +1,31 @@
+import { Sortable } from "./interfaces/Sortable";
+
+export class CharactersCollection implements Sortable {
+
+    collection: string = '';
+    newValue: string = '';
+
+    constructor(collection: string) {
+        this.collection = collection;
+    }
+
+    get length(): number {
+        return this.collection.length;
+    }
+
+    swap(leftIndex: number, rightIndex: number): void {
+        const characters = this.collection.split('');
+        let swap = characters[leftIndex];
+
+        characters[leftIndex] = characters[rightIndex];
+        characters[rightIndex] = swap;
+
+        this.collection = characters.join('');
+
+    }
+    compare(leftIndex: number, rightIndex: number): boolean {
+        return this.collection[leftIndex] > this.collection[rightIndex];
+    }
+
+
+}