Migrate help command

src/helpers/StringTools.ts

@@ -0,0 +1,15 @@
+export default class StringTools {
+    public static Capitalise(str: string): string {
+        const words = str.split(" ");
+        let result: string[] = [];
+
+        words.forEach(word => {
+            const firstLetter = word.substring(0, 1).toUpperCase();
+            const rest = word.substring(1);
+
+            result.push(firstLetter + rest);
+        });
+
+        return result.join(" ");
+    }
+}