Merge pull request 'docs: improve getting started prerequisite docs' (#1322) from a-kenji-docs-patch-2 into main

docs/site/index.md

@@ -17,7 +17,7 @@ Create your own clan with these initial steps.
 
 ### Prerequisites
 
-#### Linux
+=== "**Linux**"
 
     Clan depends on nix installed on your system. Run the following command to install nix.
 
@@ -25,7 +25,7 @@ Clan depends on nix installed on your system. Run the following command to insta
     curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
     ```
 
-#### NixOS
+=== "**NixOS**"
 
     If you run NixOS the `nix` binary is already installed.
 
@@ -36,7 +36,7 @@ You will also need to enable the `flakes` and `nix-commands` experimental featur
     experimental-features = nix-command flakes
     ```
 
-#### Other
+=== "**Other**"
 
     Clan doesn't offer dedicated support for other operating systems yet.
 
@@ -59,6 +59,7 @@ clan flakes create my-clan
 ```
 
 This command creates the `flake.nix` and `.clan-flake` files for your project.
+It will also generate files from a default template, to help show general clan usage patterns.
 
 ### Step 3: Verify the Project Structure