Add function to capitalize first letter of a name

Author: Iswanna

prep/example2.js

@@ -0,0 +1,11 @@
+function capitaliseFirstLetter(name) {
+  return (name[0].toUpperCase() + name.substring(1));
+}
+
+function createGreeting(name) {
+  const result = capitaliseFirstLetter(name);
+  return `Welcome ${result}`;
+}
+
+const greeting = createGreeting("barath");
+console.log(greeting);