update documentation to clarify project setup process with React Native Reusables CLI

Author: unisol1020

apps/docs/src/content/docs/getting-started/initial-setup.mdx

@@ -17,7 +17,7 @@ import importedTwNativeCondig from '@/code-samples/tw-native-config.js?raw';
 
 ## Overview
 
-You can quickly set up your project using the React Native Reusables CLI. This will install all necessary dependencies and configure your project automatically.
+You can quickly set up your existing project using the React Native Reusables CLI. This command will install all necessary dependencies and automatically configure your project for you.
 
 ## Usage