Make it clearer that extensions can only be installed during initial …

…setup (#83)

docs/extensions/availableExtensions.md

@@ -4,6 +4,10 @@ sidebar_position: 10
 
 # Available Extensions
 
+:::info Info
+Extensions can only be installed during the initial setup of a new Scaffold-ETH 2 project.
+:::info Info
+
 ## Core Extensions
 
 Core extensions are extensions built and maintained by Scaffold-ETH 2 team. These extensions can be directly accessed via just extension name without mentioning the github user name and branch name:

docs/extensions/extensions.md

@@ -4,21 +4,27 @@ sidebar_position: 9
 
 # 🔌 Extensions
 
-This guide introduces extensions for Scaffold-ETH 2 and explains how to use and create extensions.
+This guide introduces extensions for Scaffold-ETH 2 and explains how to install and create them.
 
 ## What are Extensions?
 
-Extensions are modular add-ons for Scaffold-ETH 2 that provide additional functionality or serve as examples for specific features. They offer several benefits:
+Extensions are modular add-ons for Scaffold-ETH 2 that provide additional functionality or serve as examples for specific features.
+
+:::info Info
+Extensions can only be installed during the initial setup of a new Scaffold-ETH 2 project.
+:::info Info
+
+They offer several benefits:
 
 - Seamless integration with the base Scaffold-ETH 2 project
-- Quick addition of new features, pages, contracts, or components
+- Quick addition of new features, pages, contracts, or components at project creation
 - Compatibility with Scaffold-ETH 2 core updates and improvements
 
 Extensions are compact packages containing specific code (such as a smart contract or UI component) that automatically integrate with the latest version of Scaffold-ETH 2 when initializing a new project via npx. They are starting points for your project, not finished products.
 
-## Using Extensions
+## Installing Extensions
 
-To use an extension when creating a new Scaffold-ETH 2 project, run:
+To install an extension when creating a new Scaffold-ETH 2 project, run:
 
 ```bash
 npx create-eth@latest -e {github-username}/{extension-repo-name}:{branch-name}